Home / 739,123.20-1,108,425.60-384,019.20

Finding the Fourth Proportional to 739,123.20, 1,108,425.60 and 384,019.20

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Solution

The fourth proportional to 739,123.20, 1,108,425.60 and 384,019.20 is: 575,894.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,123.20 : 1,108,425.60 = 384,019.20 : x
  2. Step 2: Convert to fraction form
    739,123.20/1,108,425.60 = 384,019.20/x
  3. Step 3: Cross multiply
    739,123.20x = 1,108,425.60 × 384,019.20
  4. Step 4: Simplify right side
    739,123.20x = 425,656,712,171.52
  5. Step 5: Solve for x
    x = 425,656,712,171.52/739,123.20
  6. Step 6: Final answer
    x = 575,894.13

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1.5x scale

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.