Home / 676,266.80-1,014,431.36-376,521.72

Finding the Fourth Proportional to 676,266.80, 1,014,431.36 and 376,521.72

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Solution

The fourth proportional to 676,266.80, 1,014,431.36 and 376,521.72 is: 564,799.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,266.80 : 1,014,431.36 = 376,521.72 : x
  2. Step 2: Convert to fraction form
    676,266.80/1,014,431.36 = 376,521.72/x
  3. Step 3: Cross multiply
    676,266.80x = 1,014,431.36 × 376,521.72
  4. Step 4: Simplify right side
    676,266.80x = 381,955,440,489.14
  5. Step 5: Solve for x
    x = 381,955,440,489.14/676,266.80
  6. Step 6: Final answer
    x = 564,799.93

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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.