Home / 671,276.61-1,007,009.29-215,715.11

Finding the Fourth Proportional to 671,276.61, 1,007,009.29 and 215,715.11

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Solution

The fourth proportional to 671,276.61, 1,007,009.29 and 215,715.11 is: 323,603.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,276.61 : 1,007,009.29 = 215,715.11 : x
  2. Step 2: Convert to fraction form
    671,276.61/1,007,009.29 = 215,715.11/x
  3. Step 3: Cross multiply
    671,276.61x = 1,007,009.29 × 215,715.11
  4. Step 4: Simplify right side
    671,276.61x = 217,227,122,836.87
  5. Step 5: Solve for x
    x = 217,227,122,836.87/671,276.61
  6. Step 6: Final answer
    x = 323,603.00

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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.