Home / 908,609.40-1,253,863.80-526,671.72

Finding the Fourth Proportional to 908,609.40, 1,253,863.80 and 526,671.72

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Solution

The fourth proportional to 908,609.40, 1,253,863.80 and 526,671.72 is: 726,797.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,609.40 : 1,253,863.80 = 526,671.72 : x
  2. Step 2: Convert to fraction form
    908,609.40/1,253,863.80 = 526,671.72/x
  3. Step 3: Cross multiply
    908,609.40x = 1,253,863.80 × 526,671.72
  4. Step 4: Simplify right side
    908,609.40x = 660,374,604,191.74
  5. Step 5: Solve for x
    x = 660,374,604,191.74/908,609.40
  6. Step 6: Final answer
    x = 726,797.02

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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.