Home / 757,516.30-1,046,758.19-720,614.32

Finding the Fourth Proportional to 757,516.30, 1,046,758.19 and 720,614.32

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Solution

The fourth proportional to 757,516.30, 1,046,758.19 and 720,614.32 is: 995,765.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    757,516.30 : 1,046,758.19 = 720,614.32 : x
  2. Step 2: Convert to fraction form
    757,516.30/1,046,758.19 = 720,614.32/x
  3. Step 3: Cross multiply
    757,516.30x = 1,046,758.19 × 720,614.32
  4. Step 4: Simplify right side
    757,516.30x = 754,308,935,071.31
  5. Step 5: Solve for x
    x = 754,308,935,071.31/757,516.30
  6. Step 6: Final answer
    x = 995,765.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.