Home / 679,262.31-1,018,830.98-229,931.82

Finding the Fourth Proportional to 679,262.31, 1,018,830.98 and 229,931.82

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Solution

The fourth proportional to 679,262.31, 1,018,830.98 and 229,931.82 is: 344,876.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,262.31 : 1,018,830.98 = 229,931.82 : x
  2. Step 2: Convert to fraction form
    679,262.31/1,018,830.98 = 229,931.82/x
  3. Step 3: Cross multiply
    679,262.31x = 1,018,830.98 × 229,931.82
  4. Step 4: Simplify right side
    679,262.31x = 234,261,660,354.13
  5. Step 5: Solve for x
    x = 234,261,660,354.13/679,262.31
  6. Step 6: Final answer
    x = 344,876.58

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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.