Home / 906,690.42-1,251,248.85-498,826.26

Finding the Fourth Proportional to 906,690.42, 1,251,248.85 and 498,826.26

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Solution

The fourth proportional to 906,690.42, 1,251,248.85 and 498,826.26 is: 688,389.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    906,690.42 : 1,251,248.85 = 498,826.26 : x
  2. Step 2: Convert to fraction form
    906,690.42/1,251,248.85 = 498,826.26/x
  3. Step 3: Cross multiply
    906,690.42x = 1,251,248.85 × 498,826.26
  4. Step 4: Simplify right side
    906,690.42x = 624,155,784,174.80
  5. Step 5: Solve for x
    x = 624,155,784,174.80/906,690.42
  6. Step 6: Final answer
    x = 688,389.08

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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.