Home / 906,154.38-1,250,507.70-498,274.02

Finding the Fourth Proportional to 906,154.38, 1,250,507.70 and 498,274.02

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Solution

The fourth proportional to 906,154.38, 1,250,507.70 and 498,274.02 is: 687,626.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    906,154.38 : 1,250,507.70 = 498,274.02 : x
  2. Step 2: Convert to fraction form
    906,154.38/1,250,507.70 = 498,274.02/x
  3. Step 3: Cross multiply
    906,154.38x = 1,250,507.70 × 498,274.02
  4. Step 4: Simplify right side
    906,154.38x = 623,095,498,719.95
  5. Step 5: Solve for x
    x = 623,095,498,719.95/906,154.38
  6. Step 6: Final answer
    x = 687,626.21

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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.