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Finding the Fourth Proportional to 675,601.56, 1,013,403.96 and 548,638.92

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Solution

The fourth proportional to 675,601.56, 1,013,403.96 and 548,638.92 is: 822,959.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    675,601.56 : 1,013,403.96 = 548,638.92 : x
  2. Step 2: Convert to fraction form
    675,601.56/1,013,403.96 = 548,638.92/x
  3. Step 3: Cross multiply
    675,601.56x = 1,013,403.96 × 548,638.92
  4. Step 4: Simplify right side
    675,601.56x = 555,992,854,138.12
  5. Step 5: Solve for x
    x = 555,992,854,138.12/675,601.56
  6. Step 6: Final answer
    x = 822,959.70

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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.