Home / 542,835.10-749,097.96-313,384.65

Finding the Fourth Proportional to 542,835.10, 749,097.96 and 313,384.65

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Solution

The fourth proportional to 542,835.10, 749,097.96 and 313,384.65 is: 432,462.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,835.10 : 749,097.96 = 313,384.65 : x
  2. Step 2: Convert to fraction form
    542,835.10/749,097.96 = 313,384.65/x
  3. Step 3: Cross multiply
    542,835.10x = 749,097.96 × 313,384.65
  4. Step 4: Simplify right side
    542,835.10x = 234,755,802,010.31
  5. Step 5: Solve for x
    x = 234,755,802,010.31/542,835.10
  6. Step 6: Final answer
    x = 432,462.46

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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.