Home / 768,715.40-1,060,805.22-429,176.36

Finding the Fourth Proportional to 768,715.40, 1,060,805.22 and 429,176.36

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Solution

The fourth proportional to 768,715.40, 1,060,805.22 and 429,176.36 is: 592,251.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    768,715.40 : 1,060,805.22 = 429,176.36 : x
  2. Step 2: Convert to fraction form
    768,715.40/1,060,805.22 = 429,176.36/x
  3. Step 3: Cross multiply
    768,715.40x = 1,060,805.22 × 429,176.36
  4. Step 4: Simplify right side
    768,715.40x = 455,272,522,988.60
  5. Step 5: Solve for x
    x = 455,272,522,988.60/768,715.40
  6. Step 6: Final answer
    x = 592,251.08

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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.