Home / 928,273.12-1,391,332.10-351,529.80

Finding the Fourth Proportional to 928,273.12, 1,391,332.10 and 351,529.80

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Solution

The fourth proportional to 928,273.12, 1,391,332.10 and 351,529.80 is: 526,886.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    928,273.12 : 1,391,332.10 = 351,529.80 : x
  2. Step 2: Convert to fraction form
    928,273.12/1,391,332.10 = 351,529.80/x
  3. Step 3: Cross multiply
    928,273.12x = 1,391,332.10 × 351,529.80
  4. Step 4: Simplify right side
    928,273.12x = 489,094,694,846.58
  5. Step 5: Solve for x
    x = 489,094,694,846.58/928,273.12
  6. Step 6: Final answer
    x = 526,886.63

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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.