Home / 691,951.90-1,038,067.95-292,592.02

Finding the Fourth Proportional to 691,951.90, 1,038,067.95 and 292,592.02

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Solution

The fourth proportional to 691,951.90, 1,038,067.95 and 292,592.02 is: 438,947.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,951.90 : 1,038,067.95 = 292,592.02 : x
  2. Step 2: Convert to fraction form
    691,951.90/1,038,067.95 = 292,592.02/x
  3. Step 3: Cross multiply
    691,951.90x = 1,038,067.95 × 292,592.02
  4. Step 4: Simplify right side
    691,951.90x = 303,730,398,387.76
  5. Step 5: Solve for x
    x = 303,730,398,387.76/691,951.90
  6. Step 6: Final answer
    x = 438,947.27

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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.