Home / 861,548.04-1,188,916.56-539,435.72

Finding the Fourth Proportional to 861,548.04, 1,188,916.56 and 539,435.72

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Solution

The fourth proportional to 861,548.04, 1,188,916.56 and 539,435.72 is: 744,408.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    861,548.04 : 1,188,916.56 = 539,435.72 : x
  2. Step 2: Convert to fraction form
    861,548.04/1,188,916.56 = 539,435.72/x
  3. Step 3: Cross multiply
    861,548.04x = 1,188,916.56 × 539,435.72
  4. Step 4: Simplify right side
    861,548.04x = 641,344,060,563.52
  5. Step 5: Solve for x
    x = 641,344,060,563.52/861,548.04
  6. Step 6: Final answer
    x = 744,408.94

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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.