Home / 876,890.08-1,315,380.48-277,914.88

Finding the Fourth Proportional to 876,890.08, 1,315,380.48 and 277,914.88

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Solution

The fourth proportional to 876,890.08, 1,315,380.48 and 277,914.88 is: 416,886.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,890.08 : 1,315,380.48 = 277,914.88 : x
  2. Step 2: Convert to fraction form
    876,890.08/1,315,380.48 = 277,914.88/x
  3. Step 3: Cross multiply
    876,890.08x = 1,315,380.48 × 277,914.88
  4. Step 4: Simplify right side
    876,890.08x = 365,563,808,253.54
  5. Step 5: Solve for x
    x = 365,563,808,253.54/876,890.08
  6. Step 6: Final answer
    x = 416,886.70

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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.