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Finding the Fourth Proportional to 480,767.08, 663,478.64 and 276,812.92

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Solution

The fourth proportional to 480,767.08, 663,478.64 and 276,812.92 is: 382,013.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,767.08 : 663,478.64 = 276,812.92 : x
  2. Step 2: Convert to fraction form
    480,767.08/663,478.64 = 276,812.92/x
  3. Step 3: Cross multiply
    480,767.08x = 663,478.64 × 276,812.92
  4. Step 4: Simplify right side
    480,767.08x = 183,659,459,696.03
  5. Step 5: Solve for x
    x = 183,659,459,696.03/480,767.08
  6. Step 6: Final answer
    x = 382,013.39

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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.