Home / 651,131.62-976,932.33-347,206.12

Finding the Fourth Proportional to 651,131.62, 976,932.33 and 347,206.12

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Solution

The fourth proportional to 651,131.62, 976,932.33 and 347,206.12 is: 520,934.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,131.62 : 976,932.33 = 347,206.12 : x
  2. Step 2: Convert to fraction form
    651,131.62/976,932.33 = 347,206.12/x
  3. Step 3: Cross multiply
    651,131.62x = 976,932.33 × 347,206.12
  4. Step 4: Simplify right side
    651,131.62x = 339,196,883,801.86
  5. Step 5: Solve for x
    x = 339,196,883,801.86/651,131.62
  6. Step 6: Final answer
    x = 520,934.44

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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.