Home / 865,540.25-1,194,423.54-483,569.90

Finding the Fourth Proportional to 865,540.25, 1,194,423.54 and 483,569.90

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Solution

The fourth proportional to 865,540.25, 1,194,423.54 and 483,569.90 is: 667,314.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    865,540.25 : 1,194,423.54 = 483,569.90 : x
  2. Step 2: Convert to fraction form
    865,540.25/1,194,423.54 = 483,569.90/x
  3. Step 3: Cross multiply
    865,540.25x = 1,194,423.54 × 483,569.90
  4. Step 4: Simplify right side
    865,540.25x = 577,587,271,795.45
  5. Step 5: Solve for x
    x = 577,587,271,795.45/865,540.25
  6. Step 6: Final answer
    x = 667,314.17

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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.