Home / 762,153.22-1,051,695.65-439,967.12

Finding the Fourth Proportional to 762,153.22, 1,051,695.65 and 439,967.12

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Solution

The fourth proportional to 762,153.22, 1,051,695.65 and 439,967.12 is: 607,110.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,153.22 : 1,051,695.65 = 439,967.12 : x
  2. Step 2: Convert to fraction form
    762,153.22/1,051,695.65 = 439,967.12/x
  3. Step 3: Cross multiply
    762,153.22x = 1,051,695.65 × 439,967.12
  4. Step 4: Simplify right side
    762,153.22x = 462,711,504,047.19
  5. Step 5: Solve for x
    x = 462,711,504,047.19/762,153.22
  6. Step 6: Final answer
    x = 607,110.87

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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.