Home / 877,519.14-1,316,278.71-212,671.14

Finding the Fourth Proportional to 877,519.14, 1,316,278.71 and 212,671.14

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Solution

The fourth proportional to 877,519.14, 1,316,278.71 and 212,671.14 is: 319,006.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,519.14 : 1,316,278.71 = 212,671.14 : x
  2. Step 2: Convert to fraction form
    877,519.14/1,316,278.71 = 212,671.14/x
  3. Step 3: Cross multiply
    877,519.14x = 1,316,278.71 × 212,671.14
  4. Step 4: Simplify right side
    877,519.14x = 279,934,493,813.43
  5. Step 5: Solve for x
    x = 279,934,493,813.43/877,519.14
  6. Step 6: Final answer
    x = 319,006.71

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Similar ratio
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1.5x scale

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.