Home / 906,631.09-1,251,144-498,724.17

Finding the Fourth Proportional to 906,631.09, 1,251,144 and 498,724.17

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Solution

The fourth proportional to 906,631.09, 1,251,144 and 498,724.17 is: 688,235.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    906,631.09 : 1,251,144 = 498,724.17 : x
  2. Step 2: Convert to fraction form
    906,631.09/1,251,144 = 498,724.17/x
  3. Step 3: Cross multiply
    906,631.09x = 1,251,144 × 498,724.17
  4. Step 4: Simplify right side
    906,631.09x = 623,975,752,950.48
  5. Step 5: Solve for x
    x = 623,975,752,950.48/906,631.09
  6. Step 6: Final answer
    x = 688,235.56

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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.