Home / 717,708.54-1,076,527.02-268,396.38

Finding the Fourth Proportional to 717,708.54, 1,076,527.02 and 268,396.38

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Solution

The fourth proportional to 717,708.54, 1,076,527.02 and 268,396.38 is: 402,581.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    717,708.54 : 1,076,527.02 = 268,396.38 : x
  2. Step 2: Convert to fraction form
    717,708.54/1,076,527.02 = 268,396.38/x
  3. Step 3: Cross multiply
    717,708.54x = 1,076,527.02 × 268,396.38
  4. Step 4: Simplify right side
    717,708.54x = 288,935,955,140.19
  5. Step 5: Solve for x
    x = 288,935,955,140.19/717,708.54
  6. Step 6: Final answer
    x = 402,581.19

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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.