Home / 869,329.29-1,199,656.55-482,082.23

Finding the Fourth Proportional to 869,329.29, 1,199,656.55 and 482,082.23

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Solution

The fourth proportional to 869,329.29, 1,199,656.55 and 482,082.23 is: 665,263.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    869,329.29 : 1,199,656.55 = 482,082.23 : x
  2. Step 2: Convert to fraction form
    869,329.29/1,199,656.55 = 482,082.23/x
  3. Step 3: Cross multiply
    869,329.29x = 1,199,656.55 × 482,082.23
  4. Step 4: Simplify right side
    869,329.29x = 578,333,096,449.41
  5. Step 5: Solve for x
    x = 578,333,096,449.41/869,329.29
  6. Step 6: Final answer
    x = 665,263.56

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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.