Home / 644,454.27-966,954.75-344,857.14

Finding the Fourth Proportional to 644,454.27, 966,954.75 and 344,857.14

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Solution

The fourth proportional to 644,454.27, 966,954.75 and 344,857.14 is: 517,431.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    644,454.27 : 966,954.75 = 344,857.14 : x
  2. Step 2: Convert to fraction form
    644,454.27/966,954.75 = 344,857.14/x
  3. Step 3: Cross multiply
    644,454.27x = 966,954.75 × 344,857.14
  4. Step 4: Simplify right side
    644,454.27x = 333,461,249,594.42
  5. Step 5: Solve for x
    x = 333,461,249,594.42/644,454.27
  6. Step 6: Final answer
    x = 517,431.98

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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.