Home / 971,406.74-1,456,227.98-339,976.10

Finding the Fourth Proportional to 971,406.74, 1,456,227.98 and 339,976.10

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Solution

The fourth proportional to 971,406.74, 1,456,227.98 and 339,976.10 is: 509,655.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    971,406.74 : 1,456,227.98 = 339,976.10 : x
  2. Step 2: Convert to fraction form
    971,406.74/1,456,227.98 = 339,976.10/x
  3. Step 3: Cross multiply
    971,406.74x = 1,456,227.98 × 339,976.10
  4. Step 4: Simplify right side
    971,406.74x = 495,082,709,351.28
  5. Step 5: Solve for x
    x = 495,082,709,351.28/971,406.74
  6. Step 6: Final answer
    x = 509,655.42

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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.