Home / 983,787.42-1,476,522.27-385,168.95

Finding the Fourth Proportional to 983,787.42, 1,476,522.27 and 385,168.95

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Solution

The fourth proportional to 983,787.42, 1,476,522.27 and 385,168.95 is: 578,082.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    983,787.42 : 1,476,522.27 = 385,168.95 : x
  2. Step 2: Convert to fraction form
    983,787.42/1,476,522.27 = 385,168.95/x
  3. Step 3: Cross multiply
    983,787.42x = 1,476,522.27 × 385,168.95
  4. Step 4: Simplify right side
    983,787.42x = 568,710,532,387.52
  5. Step 5: Solve for x
    x = 568,710,532,387.52/983,787.42
  6. Step 6: Final answer
    x = 578,082.75

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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.