Home / 972,436.60-1,342,029.86-542,800.44

Finding the Fourth Proportional to 972,436.60, 1,342,029.86 and 542,800.44

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Solution

The fourth proportional to 972,436.60, 1,342,029.86 and 542,800.44 is: 749,102.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    972,436.60 : 1,342,029.86 = 542,800.44 : x
  2. Step 2: Convert to fraction form
    972,436.60/1,342,029.86 = 542,800.44/x
  3. Step 3: Cross multiply
    972,436.60x = 1,342,029.86 × 542,800.44
  4. Step 4: Simplify right side
    972,436.60x = 728,454,398,501.14
  5. Step 5: Solve for x
    x = 728,454,398,501.14/972,436.60
  6. Step 6: Final answer
    x = 749,102.20

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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.