Home / 687,034.66-948,113.02-376,935.15

Finding the Fourth Proportional to 687,034.66, 948,113.02 and 376,935.15

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Solution

The fourth proportional to 687,034.66, 948,113.02 and 376,935.15 is: 520,173.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    687,034.66 : 948,113.02 = 376,935.15 : x
  2. Step 2: Convert to fraction form
    687,034.66/948,113.02 = 376,935.15/x
  3. Step 3: Cross multiply
    687,034.66x = 948,113.02 × 376,935.15
  4. Step 4: Simplify right side
    687,034.66x = 357,377,120,497.67
  5. Step 5: Solve for x
    x = 357,377,120,497.67/687,034.66
  6. Step 6: Final answer
    x = 520,173.35

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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.