Home / 555,758.18-766,936.27-314,035.55

Finding the Fourth Proportional to 555,758.18, 766,936.27 and 314,035.55

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Solution

The fourth proportional to 555,758.18, 766,936.27 and 314,035.55 is: 433,363.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,758.18 : 766,936.27 = 314,035.55 : x
  2. Step 2: Convert to fraction form
    555,758.18/766,936.27 = 314,035.55/x
  3. Step 3: Cross multiply
    555,758.18x = 766,936.27 × 314,035.55
  4. Step 4: Simplify right side
    555,758.18x = 240,845,247,959.54
  5. Step 5: Solve for x
    x = 240,845,247,959.54/555,758.18
  6. Step 6: Final answer
    x = 433,363.39

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1.5x scale

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.