Home / 802,348.32-1,107,230.78-434,817.56

Finding the Fourth Proportional to 802,348.32, 1,107,230.78 and 434,817.56

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Solution

The fourth proportional to 802,348.32, 1,107,230.78 and 434,817.56 is: 600,042.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    802,348.32 : 1,107,230.78 = 434,817.56 : x
  2. Step 2: Convert to fraction form
    802,348.32/1,107,230.78 = 434,817.56/x
  3. Step 3: Cross multiply
    802,348.32x = 1,107,230.78 × 434,817.56
  4. Step 4: Simplify right side
    802,348.32x = 481,443,386,116.50
  5. Step 5: Solve for x
    x = 481,443,386,116.50/802,348.32
  6. Step 6: Final answer
    x = 600,042.87

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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.