Home / 717,820.95-1,076,918.33-268,576.95

Finding the Fourth Proportional to 717,820.95, 1,076,918.33 and 268,576.95

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Solution

The fourth proportional to 717,820.95, 1,076,918.33 and 268,576.95 is: 402,935.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    717,820.95 : 1,076,918.33 = 268,576.95 : x
  2. Step 2: Convert to fraction form
    717,820.95/1,076,918.33 = 268,576.95/x
  3. Step 3: Cross multiply
    717,820.95x = 1,076,918.33 × 268,576.95
  4. Step 4: Simplify right side
    717,820.95x = 289,235,440,470.49
  5. Step 5: Solve for x
    x = 289,235,440,470.49/717,820.95
  6. Step 6: Final answer
    x = 402,935.36

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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.