Home / 913,265.10-1,369,897.65-647,325.90

Finding the Fourth Proportional to 913,265.10, 1,369,897.65 and 647,325.90

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Solution

The fourth proportional to 913,265.10, 1,369,897.65 and 647,325.90 is: 970,988.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,265.10 : 1,369,897.65 = 647,325.90 : x
  2. Step 2: Convert to fraction form
    913,265.10/1,369,897.65 = 647,325.90/x
  3. Step 3: Cross multiply
    913,265.10x = 1,369,897.65 × 647,325.90
  4. Step 4: Simplify right side
    913,265.10x = 886,770,229,194.14
  5. Step 5: Solve for x
    x = 886,770,229,194.14/913,265.10
  6. Step 6: Final answer
    x = 970,988.85

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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.