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Finding the Fourth Proportional to 690,967.32, 953,098.56 and 475,733.58

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Solution

The fourth proportional to 690,967.32, 953,098.56 and 475,733.58 is: 656,211.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    690,967.32 : 953,098.56 = 475,733.58 : x
  2. Step 2: Convert to fraction form
    690,967.32/953,098.56 = 475,733.58/x
  3. Step 3: Cross multiply
    690,967.32x = 953,098.56 × 475,733.58
  4. Step 4: Simplify right side
    690,967.32x = 453,420,990,041.65
  5. Step 5: Solve for x
    x = 453,420,990,041.65/690,967.32
  6. Step 6: Final answer
    x = 656,211.92

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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.