Home / 915,302.34-1,263,619.92-625,349.88

Finding the Fourth Proportional to 915,302.34, 1,263,619.92 and 625,349.88

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Solution

The fourth proportional to 915,302.34, 1,263,619.92 and 625,349.88 is: 863,326.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    915,302.34 : 1,263,619.92 = 625,349.88 : x
  2. Step 2: Convert to fraction form
    915,302.34/1,263,619.92 = 625,349.88/x
  3. Step 3: Cross multiply
    915,302.34x = 1,263,619.92 × 625,349.88
  4. Step 4: Simplify right side
    915,302.34x = 790,204,565,337.61
  5. Step 5: Solve for x
    x = 790,204,565,337.61/915,302.34
  6. Step 6: Final answer
    x = 863,326.28

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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.