Home / 748,903.40-1,123,355.10-562,279.40

Finding the Fourth Proportional to 748,903.40, 1,123,355.10 and 562,279.40

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Solution

The fourth proportional to 748,903.40, 1,123,355.10 and 562,279.40 is: 843,419.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,903.40 : 1,123,355.10 = 562,279.40 : x
  2. Step 2: Convert to fraction form
    748,903.40/1,123,355.10 = 562,279.40/x
  3. Step 3: Cross multiply
    748,903.40x = 1,123,355.10 × 562,279.40
  4. Step 4: Simplify right side
    748,903.40x = 631,639,431,614.94
  5. Step 5: Solve for x
    x = 631,639,431,614.94/748,903.40
  6. Step 6: Final answer
    x = 843,419.10

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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.