Home / 584,156.13-806,135.50-315,884.13

Finding the Fourth Proportional to 584,156.13, 806,135.50 and 315,884.13

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Solution

The fourth proportional to 584,156.13, 806,135.50 and 315,884.13 is: 435,920.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    584,156.13 : 806,135.50 = 315,884.13 : x
  2. Step 2: Convert to fraction form
    584,156.13/806,135.50 = 315,884.13/x
  3. Step 3: Cross multiply
    584,156.13x = 806,135.50 × 315,884.13
  4. Step 4: Simplify right side
    584,156.13x = 254,645,411,079.62
  5. Step 5: Solve for x
    x = 254,645,411,079.62/584,156.13
  6. Step 6: Final answer
    x = 435,920.12

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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.