Home / 906,749.64-1,251,314.49-498,842.72

Finding the Fourth Proportional to 906,749.64, 1,251,314.49 and 498,842.72

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Solution

The fourth proportional to 906,749.64, 1,251,314.49 and 498,842.72 is: 688,402.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    906,749.64 : 1,251,314.49 = 498,842.72 : x
  2. Step 2: Convert to fraction form
    906,749.64/1,251,314.49 = 498,842.72/x
  3. Step 3: Cross multiply
    906,749.64x = 1,251,314.49 × 498,842.72
  4. Step 4: Simplify right side
    906,749.64x = 624,209,126,895.30
  5. Step 5: Solve for x
    x = 624,209,126,895.30/906,749.64
  6. Step 6: Final answer
    x = 688,402.95

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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.