Home / 497,895.90-746,842.41-123,918.78

Finding the Fourth Proportional to 497,895.90, 746,842.41 and 123,918.78

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Solution

The fourth proportional to 497,895.90, 746,842.41 and 123,918.78 is: 185,877.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,895.90 : 746,842.41 = 123,918.78 : x
  2. Step 2: Convert to fraction form
    497,895.90/746,842.41 = 123,918.78/x
  3. Step 3: Cross multiply
    497,895.90x = 746,842.41 × 123,918.78
  4. Step 4: Simplify right side
    497,895.90x = 92,547,800,299.46
  5. Step 5: Solve for x
    x = 92,547,800,299.46/497,895.90
  6. Step 6: Final answer
    x = 185,877.81

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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.