Home / 527,083.90-788,811.45-316,872.70

Finding the Fourth Proportional to 527,083.90, 788,811.45 and 316,872.70

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Solution

The fourth proportional to 527,083.90, 788,811.45 and 316,872.70 is: 474,218.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,083.90 : 788,811.45 = 316,872.70 : x
  2. Step 2: Convert to fraction form
    527,083.90/788,811.45 = 316,872.70/x
  3. Step 3: Cross multiply
    527,083.90x = 788,811.45 × 316,872.70
  4. Step 4: Simplify right side
    527,083.90x = 249,952,813,952.42
  5. Step 5: Solve for x
    x = 249,952,813,952.42/527,083.90
  6. Step 6: Final answer
    x = 474,218.27

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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.