Home / 748,875.80-1,123,313.70-374,850.20

Finding the Fourth Proportional to 748,875.80, 1,123,313.70 and 374,850.20

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Solution

The fourth proportional to 748,875.80, 1,123,313.70 and 374,850.20 is: 562,275.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,875.80 : 1,123,313.70 = 374,850.20 : x
  2. Step 2: Convert to fraction form
    748,875.80/1,123,313.70 = 374,850.20/x
  3. Step 3: Cross multiply
    748,875.80x = 1,123,313.70 × 374,850.20
  4. Step 4: Simplify right side
    748,875.80x = 421,074,365,107.74
  5. Step 5: Solve for x
    x = 421,074,365,107.74/748,875.80
  6. Step 6: Final answer
    x = 562,275.30

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.