Home / 723,180.56-1,084,780.10-498,480.68

Finding the Fourth Proportional to 723,180.56, 1,084,780.10 and 498,480.68

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Solution

The fourth proportional to 723,180.56, 1,084,780.10 and 498,480.68 is: 747,727.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,180.56 : 1,084,780.10 = 498,480.68 : x
  2. Step 2: Convert to fraction form
    723,180.56/1,084,780.10 = 498,480.68/x
  3. Step 3: Cross multiply
    723,180.56x = 1,084,780.10 × 498,480.68
  4. Step 4: Simplify right side
    723,180.56x = 540,741,913,982.16
  5. Step 5: Solve for x
    x = 540,741,913,982.16/723,180.56
  6. Step 6: Final answer
    x = 747,727.40

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Double scale
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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.