Home / 850,545.36-1,276,001.10-424,310.40

Finding the Fourth Proportional to 850,545.36, 1,276,001.10 and 424,310.40

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Solution

The fourth proportional to 850,545.36, 1,276,001.10 and 424,310.40 is: 636,556.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    850,545.36 : 1,276,001.10 = 424,310.40 : x
  2. Step 2: Convert to fraction form
    850,545.36/1,276,001.10 = 424,310.40/x
  3. Step 3: Cross multiply
    850,545.36x = 1,276,001.10 × 424,310.40
  4. Step 4: Simplify right side
    850,545.36x = 541,420,537,141.44
  5. Step 5: Solve for x
    x = 541,420,537,141.44/850,545.36
  6. Step 6: Final answer
    x = 636,556.92

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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.