Home / 492,030.07-679,008.33-274,232.72

Finding the Fourth Proportional to 492,030.07, 679,008.33 and 274,232.72

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Solution

The fourth proportional to 492,030.07, 679,008.33 and 274,232.72 is: 378,444.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,030.07 : 679,008.33 = 274,232.72 : x
  2. Step 2: Convert to fraction form
    492,030.07/679,008.33 = 274,232.72/x
  3. Step 3: Cross multiply
    492,030.07x = 679,008.33 × 274,232.72
  4. Step 4: Simplify right side
    492,030.07x = 186,206,301,889.44
  5. Step 5: Solve for x
    x = 186,206,301,889.44/492,030.07
  6. Step 6: Final answer
    x = 378,444.96

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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.