Home / 766,520.60-1,148,909.01-466,339.48

Finding the Fourth Proportional to 766,520.60, 1,148,909.01 and 466,339.48

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Solution

The fourth proportional to 766,520.60, 1,148,909.01 and 466,339.48 is: 698,978.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,520.60 : 1,148,909.01 = 466,339.48 : x
  2. Step 2: Convert to fraction form
    766,520.60/1,148,909.01 = 466,339.48/x
  3. Step 3: Cross multiply
    766,520.60x = 1,148,909.01 × 466,339.48
  4. Step 4: Simplify right side
    766,520.60x = 535,781,628,292.83
  5. Step 5: Solve for x
    x = 535,781,628,292.83/766,520.60
  6. Step 6: Final answer
    x = 698,978.77

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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.