Home / 906,649.64-1,251,169.56-498,742.68

Finding the Fourth Proportional to 906,649.64, 1,251,169.56 and 498,742.68

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Solution

The fourth proportional to 906,649.64, 1,251,169.56 and 498,742.68 is: 688,261.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    906,649.64 : 1,251,169.56 = 498,742.68 : x
  2. Step 2: Convert to fraction form
    906,649.64/1,251,169.56 = 498,742.68/x
  3. Step 3: Cross multiply
    906,649.64x = 1,251,169.56 × 498,742.68
  4. Step 4: Simplify right side
    906,649.64x = 624,011,659,488.82
  5. Step 5: Solve for x
    x = 624,011,659,488.82/906,649.64
  6. Step 6: Final answer
    x = 688,261.08

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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.