Home / 906,630.09-1,251,142.62-498,723.17

Finding the Fourth Proportional to 906,630.09, 1,251,142.62 and 498,723.17

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Solution

The fourth proportional to 906,630.09, 1,251,142.62 and 498,723.17 is: 688,234.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    906,630.09 : 1,251,142.62 = 498,723.17 : x
  2. Step 2: Convert to fraction form
    906,630.09/1,251,142.62 = 498,723.17/x
  3. Step 3: Cross multiply
    906,630.09x = 1,251,142.62 × 498,723.17
  4. Step 4: Simplify right side
    906,630.09x = 623,973,807,312.79
  5. Step 5: Solve for x
    x = 623,973,807,312.79/906,630.09
  6. Step 6: Final answer
    x = 688,234.17

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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.