Home / 782,005.60-1,173,008.40-502,069.60

Finding the Fourth Proportional to 782,005.60, 1,173,008.40 and 502,069.60

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Solution

The fourth proportional to 782,005.60, 1,173,008.40 and 502,069.60 is: 753,104.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    782,005.60 : 1,173,008.40 = 502,069.60 : x
  2. Step 2: Convert to fraction form
    782,005.60/1,173,008.40 = 502,069.60/x
  3. Step 3: Cross multiply
    782,005.60x = 1,173,008.40 × 502,069.60
  4. Step 4: Simplify right side
    782,005.60x = 588,931,858,184.64
  5. Step 5: Solve for x
    x = 588,931,858,184.64/782,005.60
  6. Step 6: Final answer
    x = 753,104.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.