Home / 994,865.52-1,372,909.88-542,156.40

Finding the Fourth Proportional to 994,865.52, 1,372,909.88 and 542,156.40

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Solution

The fourth proportional to 994,865.52, 1,372,909.88 and 542,156.40 is: 748,173.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    994,865.52 : 1,372,909.88 = 542,156.40 : x
  2. Step 2: Convert to fraction form
    994,865.52/1,372,909.88 = 542,156.40/x
  3. Step 3: Cross multiply
    994,865.52x = 1,372,909.88 × 542,156.40
  4. Step 4: Simplify right side
    994,865.52x = 744,331,878,065.23
  5. Step 5: Solve for x
    x = 744,331,878,065.23/994,865.52
  6. Step 6: Final answer
    x = 748,173.36

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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.