Home / 906,417.47-1,250,829.73-498,517.67

Finding the Fourth Proportional to 906,417.47, 1,250,829.73 and 498,517.67

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Solution

The fourth proportional to 906,417.47, 1,250,829.73 and 498,517.67 is: 687,939.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    906,417.47 : 1,250,829.73 = 498,517.67 : x
  2. Step 2: Convert to fraction form
    906,417.47/1,250,829.73 = 498,517.67/x
  3. Step 3: Cross multiply
    906,417.47x = 1,250,829.73 × 498,517.67
  4. Step 4: Simplify right side
    906,417.47x = 623,560,722,566.33
  5. Step 5: Solve for x
    x = 623,560,722,566.33/906,417.47
  6. Step 6: Final answer
    x = 687,939.88

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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.