Home / 499,014.83-688,641.07-269,572.10

Finding the Fourth Proportional to 499,014.83, 688,641.07 and 269,572.10

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Solution

The fourth proportional to 499,014.83, 688,641.07 and 269,572.10 is: 372,009.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,014.83 : 688,641.07 = 269,572.10 : x
  2. Step 2: Convert to fraction form
    499,014.83/688,641.07 = 269,572.10/x
  3. Step 3: Cross multiply
    499,014.83x = 688,641.07 × 269,572.10
  4. Step 4: Simplify right side
    499,014.83x = 185,638,419,648.07
  5. Step 5: Solve for x
    x = 185,638,419,648.07/499,014.83
  6. Step 6: Final answer
    x = 372,009.83

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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.