Home / 906,529.97-1,250,984.88-498,631.70

Finding the Fourth Proportional to 906,529.97, 1,250,984.88 and 498,631.70

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Solution

The fourth proportional to 906,529.97, 1,250,984.88 and 498,631.70 is: 688,097.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    906,529.97 : 1,250,984.88 = 498,631.70 : x
  2. Step 2: Convert to fraction form
    906,529.97/1,250,984.88 = 498,631.70/x
  3. Step 3: Cross multiply
    906,529.97x = 1,250,984.88 × 498,631.70
  4. Step 4: Simplify right side
    906,529.97x = 623,780,711,133.77
  5. Step 5: Solve for x
    x = 623,780,711,133.77/906,529.97
  6. Step 6: Final answer
    x = 688,097.18

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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.