Home / 728,623.20-1,092,934.80-528,002.40

Finding the Fourth Proportional to 728,623.20, 1,092,934.80 and 528,002.40

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Solution

The fourth proportional to 728,623.20, 1,092,934.80 and 528,002.40 is: 792,003.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    728,623.20 : 1,092,934.80 = 528,002.40 : x
  2. Step 2: Convert to fraction form
    728,623.20/1,092,934.80 = 528,002.40/x
  3. Step 3: Cross multiply
    728,623.20x = 1,092,934.80 × 528,002.40
  4. Step 4: Simplify right side
    728,623.20x = 577,072,197,443.52
  5. Step 5: Solve for x
    x = 577,072,197,443.52/728,623.20
  6. Step 6: Final answer
    x = 792,003.60

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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.