Home / 906,854.85-1,251,433.89-498,956.97

Finding the Fourth Proportional to 906,854.85, 1,251,433.89 and 498,956.97

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Solution

The fourth proportional to 906,854.85, 1,251,433.89 and 498,956.97 is: 688,546.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    906,854.85 : 1,251,433.89 = 498,956.97 : x
  2. Step 2: Convert to fraction form
    906,854.85/1,251,433.89 = 498,956.97/x
  3. Step 3: Cross multiply
    906,854.85x = 1,251,433.89 × 498,956.97
  4. Step 4: Simplify right side
    906,854.85x = 624,411,659,741.56
  5. Step 5: Solve for x
    x = 624,411,659,741.56/906,854.85
  6. Step 6: Final answer
    x = 688,546.42

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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.