Home / 906,700.71-1,251,197.56-498,736.69

Finding the Fourth Proportional to 906,700.71, 1,251,197.56 and 498,736.69

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Solution

The fourth proportional to 906,700.71, 1,251,197.56 and 498,736.69 is: 688,229.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    906,700.71 : 1,251,197.56 = 498,736.69 : x
  2. Step 2: Convert to fraction form
    906,700.71/1,251,197.56 = 498,736.69/x
  3. Step 3: Cross multiply
    906,700.71x = 1,251,197.56 × 498,736.69
  4. Step 4: Simplify right side
    906,700.71x = 624,018,131,797.89
  5. Step 5: Solve for x
    x = 624,018,131,797.89/906,700.71
  6. Step 6: Final answer
    x = 688,229.45

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Double scale
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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.