Home / 525,482.28-725,219.06-321,667.85

Finding the Fourth Proportional to 525,482.28, 725,219.06 and 321,667.85

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Solution

The fourth proportional to 525,482.28, 725,219.06 and 321,667.85 is: 443,934.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,482.28 : 725,219.06 = 321,667.85 : x
  2. Step 2: Convert to fraction form
    525,482.28/725,219.06 = 321,667.85/x
  3. Step 3: Cross multiply
    525,482.28x = 725,219.06 × 321,667.85
  4. Step 4: Simplify right side
    525,482.28x = 233,279,656,013.93
  5. Step 5: Solve for x
    x = 233,279,656,013.93/525,482.28
  6. Step 6: Final answer
    x = 443,934.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.