Home / 581,857.32-802,960.20-340,091.76

Finding the Fourth Proportional to 581,857.32, 802,960.20 and 340,091.76

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Solution

The fourth proportional to 581,857.32, 802,960.20 and 340,091.76 is: 469,324.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    581,857.32 : 802,960.20 = 340,091.76 : x
  2. Step 2: Convert to fraction form
    581,857.32/802,960.20 = 340,091.76/x
  3. Step 3: Cross multiply
    581,857.32x = 802,960.20 × 340,091.76
  4. Step 4: Simplify right side
    581,857.32x = 273,080,147,627.95
  5. Step 5: Solve for x
    x = 273,080,147,627.95/581,857.32
  6. Step 6: Final answer
    x = 469,324.93

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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.