Home / 809,872.29-1,117,603.68-465,700.01

Finding the Fourth Proportional to 809,872.29, 1,117,603.68 and 465,700.01

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Solution

The fourth proportional to 809,872.29, 1,117,603.68 and 465,700.01 is: 642,654.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,872.29 : 1,117,603.68 = 465,700.01 : x
  2. Step 2: Convert to fraction form
    809,872.29/1,117,603.68 = 465,700.01/x
  3. Step 3: Cross multiply
    809,872.29x = 1,117,603.68 × 465,700.01
  4. Step 4: Simplify right side
    809,872.29x = 520,468,046,814.55
  5. Step 5: Solve for x
    x = 520,468,046,814.55/809,872.29
  6. Step 6: Final answer
    x = 642,654.47

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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.