Home / 832,480.40-1,248,755.54-263,849.06

Finding the Fourth Proportional to 832,480.40, 1,248,755.54 and 263,849.06

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Solution

The fourth proportional to 832,480.40, 1,248,755.54 and 263,849.06 is: 395,784.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    832,480.40 : 1,248,755.54 = 263,849.06 : x
  2. Step 2: Convert to fraction form
    832,480.40/1,248,755.54 = 263,849.06/x
  3. Step 3: Cross multiply
    832,480.40x = 1,248,755.54 × 263,849.06
  4. Step 4: Simplify right side
    832,480.40x = 329,482,977,201.44
  5. Step 5: Solve for x
    x = 329,482,977,201.44/832,480.40
  6. Step 6: Final answer
    x = 395,784.66

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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.