Home / 480,278.86-720,418.28-180,826.62

Finding the Fourth Proportional to 480,278.86, 720,418.28 and 180,826.62

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Solution

The fourth proportional to 480,278.86, 720,418.28 and 180,826.62 is: 271,239.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,278.86 : 720,418.28 = 180,826.62 : x
  2. Step 2: Convert to fraction form
    480,278.86/720,418.28 = 180,826.62/x
  3. Step 3: Cross multiply
    480,278.86x = 720,418.28 × 180,826.62
  4. Step 4: Simplify right side
    480,278.86x = 130,270,802,558.61
  5. Step 5: Solve for x
    x = 130,270,802,558.61/480,278.86
  6. Step 6: Final answer
    x = 271,239.93

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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.