Home / 857,861.29-1,183,849.05-475,888.38

Finding the Fourth Proportional to 857,861.29, 1,183,849.05 and 475,888.38

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Solution

The fourth proportional to 857,861.29, 1,183,849.05 and 475,888.38 is: 656,726.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    857,861.29 : 1,183,849.05 = 475,888.38 : x
  2. Step 2: Convert to fraction form
    857,861.29/1,183,849.05 = 475,888.38/x
  3. Step 3: Cross multiply
    857,861.29x = 1,183,849.05 × 475,888.38
  4. Step 4: Simplify right side
    857,861.29x = 563,380,000,649.79
  5. Step 5: Solve for x
    x = 563,380,000,649.79/857,861.29
  6. Step 6: Final answer
    x = 656,726.22

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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.