Home / 906,749.52-1,251,314.32-498,842.59

Finding the Fourth Proportional to 906,749.52, 1,251,314.32 and 498,842.59

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Solution

The fourth proportional to 906,749.52, 1,251,314.32 and 498,842.59 is: 688,402.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    906,749.52 : 1,251,314.32 = 498,842.59 : x
  2. Step 2: Convert to fraction form
    906,749.52/1,251,314.32 = 498,842.59/x
  3. Step 3: Cross multiply
    906,749.52x = 1,251,314.32 × 498,842.59
  4. Step 4: Simplify right side
    906,749.52x = 624,208,876,292.89
  5. Step 5: Solve for x
    x = 624,208,876,292.89/906,749.52
  6. Step 6: Final answer
    x = 688,402.76

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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.