Home / 927,432.70-1,391,243.01-320,141.86

Finding the Fourth Proportional to 927,432.70, 1,391,243.01 and 320,141.86

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Solution

The fourth proportional to 927,432.70, 1,391,243.01 and 320,141.86 is: 480,245.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    927,432.70 : 1,391,243.01 = 320,141.86 : x
  2. Step 2: Convert to fraction form
    927,432.70/1,391,243.01 = 320,141.86/x
  3. Step 3: Cross multiply
    927,432.70x = 1,391,243.01 × 320,141.86
  4. Step 4: Simplify right side
    927,432.70x = 445,395,124,933.40
  5. Step 5: Solve for x
    x = 445,395,124,933.40/927,432.70
  6. Step 6: Final answer
    x = 480,245.22

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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.