Home / 480,519.36-663,117.84-276,582.96

Finding the Fourth Proportional to 480,519.36, 663,117.84 and 276,582.96

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Solution

The fourth proportional to 480,519.36, 663,117.84 and 276,582.96 is: 381,685.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,519.36 : 663,117.84 = 276,582.96 : x
  2. Step 2: Convert to fraction form
    480,519.36/663,117.84 = 276,582.96/x
  3. Step 3: Cross multiply
    480,519.36x = 663,117.84 × 276,582.96
  4. Step 4: Simplify right side
    480,519.36x = 183,407,095,016.01
  5. Step 5: Solve for x
    x = 183,407,095,016.01/480,519.36
  6. Step 6: Final answer
    x = 381,685.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.