Home / 847,294.12-1,169,264.49-465,320.89

Finding the Fourth Proportional to 847,294.12, 1,169,264.49 and 465,320.89

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Solution

The fourth proportional to 847,294.12, 1,169,264.49 and 465,320.89 is: 642,142.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    847,294.12 : 1,169,264.49 = 465,320.89 : x
  2. Step 2: Convert to fraction form
    847,294.12/1,169,264.49 = 465,320.89/x
  3. Step 3: Cross multiply
    847,294.12x = 1,169,264.49 × 465,320.89
  4. Step 4: Simplify right side
    847,294.12x = 544,083,193,132.20
  5. Step 5: Solve for x
    x = 544,083,193,132.20/847,294.12
  6. Step 6: Final answer
    x = 642,142.06

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.