Home / 652,839.40-977,963.10-574,906.60

Finding the Fourth Proportional to 652,839.40, 977,963.10 and 574,906.60

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Solution

The fourth proportional to 652,839.40, 977,963.10 and 574,906.60 is: 861,218.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    652,839.40 : 977,963.10 = 574,906.60 : x
  2. Step 2: Convert to fraction form
    652,839.40/977,963.10 = 574,906.60/x
  3. Step 3: Cross multiply
    652,839.40x = 977,963.10 × 574,906.60
  4. Step 4: Simplify right side
    652,839.40x = 562,237,440,746.46
  5. Step 5: Solve for x
    x = 562,237,440,746.46/652,839.40
  6. Step 6: Final answer
    x = 861,218.61

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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.