Home / 712,022.28-982,592.18-389,752.93

Finding the Fourth Proportional to 712,022.28, 982,592.18 and 389,752.93

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Solution

The fourth proportional to 712,022.28, 982,592.18 and 389,752.93 is: 537,859.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    712,022.28 : 982,592.18 = 389,752.93 : x
  2. Step 2: Convert to fraction form
    712,022.28/982,592.18 = 389,752.93/x
  3. Step 3: Cross multiply
    712,022.28x = 982,592.18 × 389,752.93
  4. Step 4: Simplify right side
    712,022.28x = 382,968,181,150.09
  5. Step 5: Solve for x
    x = 382,968,181,150.09/712,022.28
  6. Step 6: Final answer
    x = 537,859.83

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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.