Home / 979,480.80-1,468,875.60-348,415.20

Finding the Fourth Proportional to 979,480.80, 1,468,875.60 and 348,415.20

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Solution

The fourth proportional to 979,480.80, 1,468,875.60 and 348,415.20 is: 522,499.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    979,480.80 : 1,468,875.60 = 348,415.20 : x
  2. Step 2: Convert to fraction form
    979,480.80/1,468,875.60 = 348,415.20/x
  3. Step 3: Cross multiply
    979,480.80x = 1,468,875.60 × 348,415.20
  4. Step 4: Simplify right side
    979,480.80x = 511,778,585,949.12
  5. Step 5: Solve for x
    x = 511,778,585,949.12/979,480.80
  6. Step 6: Final answer
    x = 522,499.87

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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.