Home / 762,151.85-1,051,693.76-439,965.74

Finding the Fourth Proportional to 762,151.85, 1,051,693.76 and 439,965.74

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Solution

The fourth proportional to 762,151.85, 1,051,693.76 and 439,965.74 is: 607,108.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,151.85 : 1,051,693.76 = 439,965.74 : x
  2. Step 2: Convert to fraction form
    762,151.85/1,051,693.76 = 439,965.74/x
  3. Step 3: Cross multiply
    762,151.85x = 1,051,693.76 × 439,965.74
  4. Step 4: Simplify right side
    762,151.85x = 462,709,227,100.93
  5. Step 5: Solve for x
    x = 462,709,227,100.93/762,151.85
  6. Step 6: Final answer
    x = 607,108.98

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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.