Home / 658,329.53-986,917.46-316,601.66

Finding the Fourth Proportional to 658,329.53, 986,917.46 and 316,601.66

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Solution

The fourth proportional to 658,329.53, 986,917.46 and 316,601.66 is: 474,625.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,329.53 : 986,917.46 = 316,601.66 : x
  2. Step 2: Convert to fraction form
    658,329.53/986,917.46 = 316,601.66/x
  3. Step 3: Cross multiply
    658,329.53x = 986,917.46 × 316,601.66
  4. Step 4: Simplify right side
    658,329.53x = 312,459,704,535.98
  5. Step 5: Solve for x
    x = 312,459,704,535.98/658,329.53
  6. Step 6: Final answer
    x = 474,625.08

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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.