Home / 865,649.60-1,298,474.40-510,833.60

Finding the Fourth Proportional to 865,649.60, 1,298,474.40 and 510,833.60

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Solution

The fourth proportional to 865,649.60, 1,298,474.40 and 510,833.60 is: 766,250.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    865,649.60 : 1,298,474.40 = 510,833.60 : x
  2. Step 2: Convert to fraction form
    865,649.60/1,298,474.40 = 510,833.60/x
  3. Step 3: Cross multiply
    865,649.60x = 1,298,474.40 × 510,833.60
  4. Step 4: Simplify right side
    865,649.60x = 663,304,352,259.84
  5. Step 5: Solve for x
    x = 663,304,352,259.84/865,649.60
  6. Step 6: Final answer
    x = 766,250.40

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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.