Home / 906,718.83-1,251,254.57-498,796.89

Finding the Fourth Proportional to 906,718.83, 1,251,254.57 and 498,796.89

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Solution

The fourth proportional to 906,718.83, 1,251,254.57 and 498,796.89 is: 688,330.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    906,718.83 : 1,251,254.57 = 498,796.89 : x
  2. Step 2: Convert to fraction form
    906,718.83/1,251,254.57 = 498,796.89/x
  3. Step 3: Cross multiply
    906,718.83x = 1,251,254.57 × 498,796.89
  4. Step 4: Simplify right side
    906,718.83x = 624,121,885,620.30
  5. Step 5: Solve for x
    x = 624,121,885,620.30/906,718.83
  6. Step 6: Final answer
    x = 688,330.13

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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.