Home / 489,719.20-734,233.20-223,607.20

Finding the Fourth Proportional to 489,719.20, 734,233.20 and 223,607.20

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Solution

The fourth proportional to 489,719.20, 734,233.20 and 223,607.20 is: 335,253.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,719.20 : 734,233.20 = 223,607.20 : x
  2. Step 2: Convert to fraction form
    489,719.20/734,233.20 = 223,607.20/x
  3. Step 3: Cross multiply
    489,719.20x = 734,233.20 × 223,607.20
  4. Step 4: Simplify right side
    489,719.20x = 164,179,829,999.04
  5. Step 5: Solve for x
    x = 164,179,829,999.04/489,719.20
  6. Step 6: Final answer
    x = 335,253.00

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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.