Home / 385,966.95-578,951.82-273,306.39

Finding the Fourth Proportional to 385,966.95, 578,951.82 and 273,306.39

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Solution

The fourth proportional to 385,966.95, 578,951.82 and 273,306.39 is: 409,960.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,966.95 : 578,951.82 = 273,306.39 : x
  2. Step 2: Convert to fraction form
    385,966.95/578,951.82 = 273,306.39/x
  3. Step 3: Cross multiply
    385,966.95x = 578,951.82 × 273,306.39
  4. Step 4: Simplify right side
    385,966.95x = 158,231,231,908.13
  5. Step 5: Solve for x
    x = 158,231,231,908.13/385,966.95
  6. Step 6: Final answer
    x = 409,960.57

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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.