Home / 768,643.20-1,152,273.60-502,531.20

Finding the Fourth Proportional to 768,643.20, 1,152,273.60 and 502,531.20

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Solution

The fourth proportional to 768,643.20, 1,152,273.60 and 502,531.20 is: 753,344.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    768,643.20 : 1,152,273.60 = 502,531.20 : x
  2. Step 2: Convert to fraction form
    768,643.20/1,152,273.60 = 502,531.20/x
  3. Step 3: Cross multiply
    768,643.20x = 1,152,273.60 × 502,531.20
  4. Step 4: Simplify right side
    768,643.20x = 579,053,434,936.32
  5. Step 5: Solve for x
    x = 579,053,434,936.32/768,643.20
  6. Step 6: Final answer
    x = 753,344.90

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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.