Home / 728,631.20-1,092,946.80-528,010.40

Finding the Fourth Proportional to 728,631.20, 1,092,946.80 and 528,010.40

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Solution

The fourth proportional to 728,631.20, 1,092,946.80 and 528,010.40 is: 792,015.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    728,631.20 : 1,092,946.80 = 528,010.40 : x
  2. Step 2: Convert to fraction form
    728,631.20/1,092,946.80 = 528,010.40/x
  3. Step 3: Cross multiply
    728,631.20x = 1,092,946.80 × 528,010.40
  4. Step 4: Simplify right side
    728,631.20x = 577,087,277,046.72
  5. Step 5: Solve for x
    x = 577,087,277,046.72/728,631.20
  6. Step 6: Final answer
    x = 792,015.60

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