Home / 906,687.61-1,251,189.42-498,763.58

Finding the Fourth Proportional to 906,687.61, 1,251,189.42 and 498,763.58

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Solution

The fourth proportional to 906,687.61, 1,251,189.42 and 498,763.58 is: 688,272.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    906,687.61 : 1,251,189.42 = 498,763.58 : x
  2. Step 2: Convert to fraction form
    906,687.61/1,251,189.42 = 498,763.58/x
  3. Step 3: Cross multiply
    906,687.61x = 1,251,189.42 × 498,763.58
  4. Step 4: Simplify right side
    906,687.61x = 624,047,706,251.01
  5. Step 5: Solve for x
    x = 624,047,706,251.01/906,687.61
  6. Step 6: Final answer
    x = 688,272.01

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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.