Home / 717,713.11-1,076,533.86-268,400.95

Finding the Fourth Proportional to 717,713.11, 1,076,533.86 and 268,400.95

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Solution

The fourth proportional to 717,713.11, 1,076,533.86 and 268,400.95 is: 402,588.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    717,713.11 : 1,076,533.86 = 268,400.95 : x
  2. Step 2: Convert to fraction form
    717,713.11/1,076,533.86 = 268,400.95/x
  3. Step 3: Cross multiply
    717,713.11x = 1,076,533.86 × 268,400.95
  4. Step 4: Simplify right side
    717,713.11x = 288,942,710,731.17
  5. Step 5: Solve for x
    x = 288,942,710,731.17/717,713.11
  6. Step 6: Final answer
    x = 402,588.04

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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.