Home / 555,557.58-766,731.68-313,855.71

Finding the Fourth Proportional to 555,557.58, 766,731.68 and 313,855.71

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Solution

The fourth proportional to 555,557.58, 766,731.68 and 313,855.71 is: 433,156.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,557.58 : 766,731.68 = 313,855.71 : x
  2. Step 2: Convert to fraction form
    555,557.58/766,731.68 = 313,855.71/x
  3. Step 3: Cross multiply
    555,557.58x = 766,731.68 × 313,855.71
  4. Step 4: Simplify right side
    555,557.58x = 240,643,114,236.61
  5. Step 5: Solve for x
    x = 240,643,114,236.61/555,557.58
  6. Step 6: Final answer
    x = 433,156.03

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.