Home / 906,489.80-1,359,889.61-373,719.59

Finding the Fourth Proportional to 906,489.80, 1,359,889.61 and 373,719.59

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Solution

The fourth proportional to 906,489.80, 1,359,889.61 and 373,719.59 is: 560,643.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    906,489.80 : 1,359,889.61 = 373,719.59 : x
  2. Step 2: Convert to fraction form
    906,489.80/1,359,889.61 = 373,719.59/x
  3. Step 3: Cross multiply
    906,489.80x = 1,359,889.61 × 373,719.59
  4. Step 4: Simplify right side
    906,489.80x = 508,217,387,494.46
  5. Step 5: Solve for x
    x = 508,217,387,494.46/906,489.80
  6. Step 6: Final answer
    x = 560,643.25

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.