Home / 480,031.20-719,701.20-269,733.60

Finding the Fourth Proportional to 480,031.20, 719,701.20 and 269,733.60

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Solution

The fourth proportional to 480,031.20, 719,701.20 and 269,733.60 is: 404,406.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,031.20 : 719,701.20 = 269,733.60 : x
  2. Step 2: Convert to fraction form
    480,031.20/719,701.20 = 269,733.60/x
  3. Step 3: Cross multiply
    480,031.20x = 719,701.20 × 269,733.60
  4. Step 4: Simplify right side
    480,031.20x = 194,127,595,600.32
  5. Step 5: Solve for x
    x = 194,127,595,600.32/480,031.20
  6. Step 6: Final answer
    x = 404,406.20

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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.