Home / 970,932.80-1,456,399.20-339,910.40

Finding the Fourth Proportional to 970,932.80, 1,456,399.20 and 339,910.40

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Solution

The fourth proportional to 970,932.80, 1,456,399.20 and 339,910.40 is: 509,865.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    970,932.80 : 1,456,399.20 = 339,910.40 : x
  2. Step 2: Convert to fraction form
    970,932.80/1,456,399.20 = 339,910.40/x
  3. Step 3: Cross multiply
    970,932.80x = 1,456,399.20 × 339,910.40
  4. Step 4: Simplify right side
    970,932.80x = 495,045,234,631.68
  5. Step 5: Solve for x
    x = 495,045,234,631.68/970,932.80
  6. Step 6: Final answer
    x = 509,865.60

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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.