Home / 492,434.07-679,539.33-277,618.76

Finding the Fourth Proportional to 492,434.07, 679,539.33 and 277,618.76

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Solution

The fourth proportional to 492,434.07, 679,539.33 and 277,618.76 is: 383,102.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,434.07 : 679,539.33 = 277,618.76 : x
  2. Step 2: Convert to fraction form
    492,434.07/679,539.33 = 277,618.76/x
  3. Step 3: Cross multiply
    492,434.07x = 679,539.33 × 277,618.76
  4. Step 4: Simplify right side
    492,434.07x = 188,652,866,165.83
  5. Step 5: Solve for x
    x = 188,652,866,165.83/492,434.07
  6. Step 6: Final answer
    x = 383,102.79

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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.