Home / 717,818.95-1,076,915.33-268,574.95

Finding the Fourth Proportional to 717,818.95, 1,076,915.33 and 268,574.95

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Solution

The fourth proportional to 717,818.95, 1,076,915.33 and 268,574.95 is: 402,932.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    717,818.95 : 1,076,915.33 = 268,574.95 : x
  2. Step 2: Convert to fraction form
    717,818.95/1,076,915.33 = 268,574.95/x
  3. Step 3: Cross multiply
    717,818.95x = 1,076,915.33 × 268,574.95
  4. Step 4: Simplify right side
    717,818.95x = 289,232,474,181.53
  5. Step 5: Solve for x
    x = 289,232,474,181.53/717,818.95
  6. Step 6: Final answer
    x = 402,932.35

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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.