Home / 971,423.38-1,456,252.89-339,992.74

Finding the Fourth Proportional to 971,423.38, 1,456,252.89 and 339,992.74

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Solution

The fourth proportional to 971,423.38, 1,456,252.89 and 339,992.74 is: 509,680.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    971,423.38 : 1,456,252.89 = 339,992.74 : x
  2. Step 2: Convert to fraction form
    971,423.38/1,456,252.89 = 339,992.74/x
  3. Step 3: Cross multiply
    971,423.38x = 1,456,252.89 × 339,992.74
  4. Step 4: Simplify right side
    971,423.38x = 495,115,410,204.02
  5. Step 5: Solve for x
    x = 495,115,410,204.02/971,423.38
  6. Step 6: Final answer
    x = 509,680.35

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1.5x scale

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.