Home / 487,360.40-731,040.60-466,365.20

Finding the Fourth Proportional to 487,360.40, 731,040.60 and 466,365.20

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Solution

The fourth proportional to 487,360.40, 731,040.60 and 466,365.20 is: 699,547.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,360.40 : 731,040.60 = 466,365.20 : x
  2. Step 2: Convert to fraction form
    487,360.40/731,040.60 = 466,365.20/x
  3. Step 3: Cross multiply
    487,360.40x = 731,040.60 × 466,365.20
  4. Step 4: Simplify right side
    487,360.40x = 340,931,895,627.12
  5. Step 5: Solve for x
    x = 340,931,895,627.12/487,360.40
  6. Step 6: Final answer
    x = 699,547.80

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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.