Home / 971,148.01-1,340,154.89-535,565.13

Finding the Fourth Proportional to 971,148.01, 1,340,154.89 and 535,565.13

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Solution

The fourth proportional to 971,148.01, 1,340,154.89 and 535,565.13 is: 739,063.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    971,148.01 : 1,340,154.89 = 535,565.13 : x
  2. Step 2: Convert to fraction form
    971,148.01/1,340,154.89 = 535,565.13/x
  3. Step 3: Cross multiply
    971,148.01x = 1,340,154.89 × 535,565.13
  4. Step 4: Simplify right side
    971,148.01x = 717,740,227,882.99
  5. Step 5: Solve for x
    x = 717,740,227,882.99/971,148.01
  6. Step 6: Final answer
    x = 739,063.69

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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.