Home / 906,012.54-1,250,299.80-498,156.08

Finding the Fourth Proportional to 906,012.54, 1,250,299.80 and 498,156.08

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Solution

The fourth proportional to 906,012.54, 1,250,299.80 and 498,156.08 is: 687,456.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    906,012.54 : 1,250,299.80 = 498,156.08 : x
  2. Step 2: Convert to fraction form
    906,012.54/1,250,299.80 = 498,156.08/x
  3. Step 3: Cross multiply
    906,012.54x = 1,250,299.80 × 498,156.08
  4. Step 4: Simplify right side
    906,012.54x = 622,844,440,941.29
  5. Step 5: Solve for x
    x = 622,844,440,941.29/906,012.54
  6. Step 6: Final answer
    x = 687,456.76

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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.