Home / 526,112.79-725,559-344,758.86

Finding the Fourth Proportional to 526,112.79, 725,559 and 344,758.86

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Solution

The fourth proportional to 526,112.79, 725,559 and 344,758.86 is: 475,454.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,112.79 : 725,559 = 344,758.86 : x
  2. Step 2: Convert to fraction form
    526,112.79/725,559 = 344,758.86/x
  3. Step 3: Cross multiply
    526,112.79x = 725,559 × 344,758.86
  4. Step 4: Simplify right side
    526,112.79x = 250,142,893,702.74
  5. Step 5: Solve for x
    x = 250,142,893,702.74/526,112.79
  6. Step 6: Final answer
    x = 475,454.88

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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.