Home / 748,909.40-1,123,364.10-562,285.40

Finding the Fourth Proportional to 748,909.40, 1,123,364.10 and 562,285.40

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Solution

The fourth proportional to 748,909.40, 1,123,364.10 and 562,285.40 is: 843,428.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,909.40 : 1,123,364.10 = 562,285.40 : x
  2. Step 2: Convert to fraction form
    748,909.40/1,123,364.10 = 562,285.40/x
  3. Step 3: Cross multiply
    748,909.40x = 1,123,364.10 × 562,285.40
  4. Step 4: Simplify right side
    748,909.40x = 631,651,232,314.14
  5. Step 5: Solve for x
    x = 631,651,232,314.14/748,909.40
  6. Step 6: Final answer
    x = 843,428.10

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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.