Home / 582,181.24-803,116.10-340,305.78

Finding the Fourth Proportional to 582,181.24, 803,116.10 and 340,305.78

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Solution

The fourth proportional to 582,181.24, 803,116.10 and 340,305.78 is: 469,450.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    582,181.24 : 803,116.10 = 340,305.78 : x
  2. Step 2: Convert to fraction form
    582,181.24/803,116.10 = 340,305.78/x
  3. Step 3: Cross multiply
    582,181.24x = 803,116.10 × 340,305.78
  4. Step 4: Simplify right side
    582,181.24x = 273,305,050,841.06
  5. Step 5: Solve for x
    x = 273,305,050,841.06/582,181.24
  6. Step 6: Final answer
    x = 469,450.12

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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.