Home / 786,886.80-1,180,621.80-254,425.20

Finding the Fourth Proportional to 786,886.80, 1,180,621.80 and 254,425.20

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Solution

The fourth proportional to 786,886.80, 1,180,621.80 and 254,425.20 is: 381,732.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    786,886.80 : 1,180,621.80 = 254,425.20 : x
  2. Step 2: Convert to fraction form
    786,886.80/1,180,621.80 = 254,425.20/x
  3. Step 3: Cross multiply
    786,886.80x = 1,180,621.80 × 254,425.20
  4. Step 4: Simplify right side
    786,886.80x = 300,379,937,589.36
  5. Step 5: Solve for x
    x = 300,379,937,589.36/786,886.80
  6. Step 6: Final answer
    x = 381,732.08

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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.