Home / 558,095.70-836,721.98-287,934.42

Finding the Fourth Proportional to 558,095.70, 836,721.98 and 287,934.42

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Solution

The fourth proportional to 558,095.70, 836,721.98 and 287,934.42 is: 431,684.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,095.70 : 836,721.98 = 287,934.42 : x
  2. Step 2: Convert to fraction form
    558,095.70/836,721.98 = 287,934.42/x
  3. Step 3: Cross multiply
    558,095.70x = 836,721.98 × 287,934.42
  4. Step 4: Simplify right side
    558,095.70x = 240,921,058,012.55
  5. Step 5: Solve for x
    x = 240,921,058,012.55/558,095.70
  6. Step 6: Final answer
    x = 431,684.13

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1.5x scale

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.