Home / 480,578.73-720,868.14-181,126.50

Finding the Fourth Proportional to 480,578.73, 720,868.14 and 181,126.50

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Solution

The fourth proportional to 480,578.73, 720,868.14 and 181,126.50 is: 271,689.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,578.73 : 720,868.14 = 181,126.50 : x
  2. Step 2: Convert to fraction form
    480,578.73/720,868.14 = 181,126.50/x
  3. Step 3: Cross multiply
    480,578.73x = 720,868.14 × 181,126.50
  4. Step 4: Simplify right side
    480,578.73x = 130,568,323,159.71
  5. Step 5: Solve for x
    x = 130,568,323,159.71/480,578.73
  6. Step 6: Final answer
    x = 271,689.77

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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.