Home / 972,437.60-1,342,031.24-542,801.44

Finding the Fourth Proportional to 972,437.60, 1,342,031.24 and 542,801.44

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Solution

The fourth proportional to 972,437.60, 1,342,031.24 and 542,801.44 is: 749,103.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    972,437.60 : 1,342,031.24 = 542,801.44 : x
  2. Step 2: Convert to fraction form
    972,437.60/1,342,031.24 = 542,801.44/x
  3. Step 3: Cross multiply
    972,437.60x = 1,342,031.24 × 542,801.44
  4. Step 4: Simplify right side
    972,437.60x = 728,456,489,596.99
  5. Step 5: Solve for x
    x = 728,456,489,596.99/972,437.60
  6. Step 6: Final answer
    x = 749,103.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.