Home / 886,731.50-1,330,284.06-287,645.90

Finding the Fourth Proportional to 886,731.50, 1,330,284.06 and 287,645.90

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Solution

The fourth proportional to 886,731.50, 1,330,284.06 and 287,645.90 is: 431,529.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    886,731.50 : 1,330,284.06 = 287,645.90 : x
  2. Step 2: Convert to fraction form
    886,731.50/1,330,284.06 = 287,645.90/x
  3. Step 3: Cross multiply
    886,731.50x = 1,330,284.06 × 287,645.90
  4. Step 4: Simplify right side
    886,731.50x = 382,650,749,042.93
  5. Step 5: Solve for x
    x = 382,650,749,042.93/886,731.50
  6. Step 6: Final answer
    x = 431,529.44

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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.