Home / 697,538.70-1,046,042.46-413,309.46

Finding the Fourth Proportional to 697,538.70, 1,046,042.46 and 413,309.46

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Solution

The fourth proportional to 697,538.70, 1,046,042.46 and 413,309.46 is: 619,806.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    697,538.70 : 1,046,042.46 = 413,309.46 : x
  2. Step 2: Convert to fraction form
    697,538.70/1,046,042.46 = 413,309.46/x
  3. Step 3: Cross multiply
    697,538.70x = 1,046,042.46 × 413,309.46
  4. Step 4: Simplify right side
    697,538.70x = 432,339,244,279.67
  5. Step 5: Solve for x
    x = 432,339,244,279.67/697,538.70
  6. Step 6: Final answer
    x = 619,806.82

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.