Home / 712,034.24-982,632.24-389,744.60

Finding the Fourth Proportional to 712,034.24, 982,632.24 and 389,744.60

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Solution

The fourth proportional to 712,034.24, 982,632.24 and 389,744.60 is: 537,861.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    712,034.24 : 982,632.24 = 389,744.60 : x
  2. Step 2: Convert to fraction form
    712,034.24/982,632.24 = 389,744.60/x
  3. Step 3: Cross multiply
    712,034.24x = 982,632.24 × 389,744.60
  4. Step 4: Simplify right side
    712,034.24x = 382,975,604,412.74
  5. Step 5: Solve for x
    x = 382,975,604,412.74/712,034.24
  6. Step 6: Final answer
    x = 537,861.22

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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.