Home / 558,177.21-770,304.83-319,759.29

Finding the Fourth Proportional to 558,177.21, 770,304.83 and 319,759.29

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Solution

The fourth proportional to 558,177.21, 770,304.83 and 319,759.29 is: 441,279.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,177.21 : 770,304.83 = 319,759.29 : x
  2. Step 2: Convert to fraction form
    558,177.21/770,304.83 = 319,759.29/x
  3. Step 3: Cross multiply
    558,177.21x = 770,304.83 × 319,759.29
  4. Step 4: Simplify right side
    558,177.21x = 246,312,123,925.57
  5. Step 5: Solve for x
    x = 246,312,123,925.57/558,177.21
  6. Step 6: Final answer
    x = 441,279.44

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1.5x scale

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.