Home / 906,494.04-1,250,964.28-498,637.68

Finding the Fourth Proportional to 906,494.04, 1,250,964.28 and 498,637.68

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Solution

The fourth proportional to 906,494.04, 1,250,964.28 and 498,637.68 is: 688,121.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    906,494.04 : 1,250,964.28 = 498,637.68 : x
  2. Step 2: Convert to fraction form
    906,494.04/1,250,964.28 = 498,637.68/x
  3. Step 3: Cross multiply
    906,494.04x = 1,250,964.28 × 498,637.68
  4. Step 4: Simplify right side
    906,494.04x = 623,777,926,342.07
  5. Step 5: Solve for x
    x = 623,777,926,342.07/906,494.04
  6. Step 6: Final answer
    x = 688,121.38

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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.