Home / 786,980.30-1,180,470.45-254,555.15

Finding the Fourth Proportional to 786,980.30, 1,180,470.45 and 254,555.15

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Solution

The fourth proportional to 786,980.30, 1,180,470.45 and 254,555.15 is: 381,832.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    786,980.30 : 1,180,470.45 = 254,555.15 : x
  2. Step 2: Convert to fraction form
    786,980.30/1,180,470.45 = 254,555.15/x
  3. Step 3: Cross multiply
    786,980.30x = 1,180,470.45 × 254,555.15
  4. Step 4: Simplify right side
    786,980.30x = 300,494,832,470.32
  5. Step 5: Solve for x
    x = 300,494,832,470.32/786,980.30
  6. Step 6: Final answer
    x = 381,832.73

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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.