Home / 671,348.16-1,007,015.76-316,167.84

Finding the Fourth Proportional to 671,348.16, 1,007,015.76 and 316,167.84

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Solution

The fourth proportional to 671,348.16, 1,007,015.76 and 316,167.84 is: 474,248.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,348.16 : 1,007,015.76 = 316,167.84 : x
  2. Step 2: Convert to fraction form
    671,348.16/1,007,015.76 = 316,167.84/x
  3. Step 3: Cross multiply
    671,348.16x = 1,007,015.76 × 316,167.84
  4. Step 4: Simplify right side
    671,348.16x = 318,385,997,685.16
  5. Step 5: Solve for x
    x = 318,385,997,685.16/671,348.16
  6. Step 6: Final answer
    x = 474,248.71

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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.