Home / 971,414.31-1,456,239.36-339,983.67

Finding the Fourth Proportional to 971,414.31, 1,456,239.36 and 339,983.67

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Solution

The fourth proportional to 971,414.31, 1,456,239.36 and 339,983.67 is: 509,666.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    971,414.31 : 1,456,239.36 = 339,983.67 : x
  2. Step 2: Convert to fraction form
    971,414.31/1,456,239.36 = 339,983.67/x
  3. Step 3: Cross multiply
    971,414.31x = 1,456,239.36 × 339,983.67
  4. Step 4: Simplify right side
    971,414.31x = 495,097,602,011.25
  5. Step 5: Solve for x
    x = 495,097,602,011.25/971,414.31
  6. Step 6: Final answer
    x = 509,666.78

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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.