Home / 762,143.18-1,051,681.83-439,957.07

Finding the Fourth Proportional to 762,143.18, 1,051,681.83 and 439,957.07

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Solution

The fourth proportional to 762,143.18, 1,051,681.83 and 439,957.07 is: 607,097.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,143.18 : 1,051,681.83 = 439,957.07 : x
  2. Step 2: Convert to fraction form
    762,143.18/1,051,681.83 = 439,957.07/x
  3. Step 3: Cross multiply
    762,143.18x = 1,051,681.83 × 439,957.07
  4. Step 4: Simplify right side
    762,143.18x = 462,694,853,534.60
  5. Step 5: Solve for x
    x = 462,694,853,534.60/762,143.18
  6. Step 6: Final answer
    x = 607,097.02

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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.