Home / 767,545.60-1,151,318.40-608,915.20

Finding the Fourth Proportional to 767,545.60, 1,151,318.40 and 608,915.20

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Solution

The fourth proportional to 767,545.60, 1,151,318.40 and 608,915.20 is: 913,372.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    767,545.60 : 1,151,318.40 = 608,915.20 : x
  2. Step 2: Convert to fraction form
    767,545.60/1,151,318.40 = 608,915.20/x
  3. Step 3: Cross multiply
    767,545.60x = 1,151,318.40 × 608,915.20
  4. Step 4: Simplify right side
    767,545.60x = 701,055,273,799.68
  5. Step 5: Solve for x
    x = 701,055,273,799.68/767,545.60
  6. Step 6: Final answer
    x = 913,372.80

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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.