Home / 872,538.02-1,308,101.01-392,414.19

Finding the Fourth Proportional to 872,538.02, 1,308,101.01 and 392,414.19

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Solution

The fourth proportional to 872,538.02, 1,308,101.01 and 392,414.19 is: 588,303.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    872,538.02 : 1,308,101.01 = 392,414.19 : x
  2. Step 2: Convert to fraction form
    872,538.02/1,308,101.01 = 392,414.19/x
  3. Step 3: Cross multiply
    872,538.02x = 1,308,101.01 × 392,414.19
  4. Step 4: Simplify right side
    872,538.02x = 513,317,398,277.33
  5. Step 5: Solve for x
    x = 513,317,398,277.33/872,538.02
  6. Step 6: Final answer
    x = 588,303.76

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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.