Home / 834,651.54-1,251,238.59-402,150.42

Finding the Fourth Proportional to 834,651.54, 1,251,238.59 and 402,150.42

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Solution

The fourth proportional to 834,651.54, 1,251,238.59 and 402,150.42 is: 602,869.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    834,651.54 : 1,251,238.59 = 402,150.42 : x
  2. Step 2: Convert to fraction form
    834,651.54/1,251,238.59 = 402,150.42/x
  3. Step 3: Cross multiply
    834,651.54x = 1,251,238.59 × 402,150.42
  4. Step 4: Simplify right side
    834,651.54x = 503,186,124,488.71
  5. Step 5: Solve for x
    x = 503,186,124,488.71/834,651.54
  6. Step 6: Final answer
    x = 602,869.70

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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.