Home / 869,197.52-1,199,481.80-487,223.76

Finding the Fourth Proportional to 869,197.52, 1,199,481.80 and 487,223.76

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Solution

The fourth proportional to 869,197.52, 1,199,481.80 and 487,223.76 is: 672,362.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    869,197.52 : 1,199,481.80 = 487,223.76 : x
  2. Step 2: Convert to fraction form
    869,197.52/1,199,481.80 = 487,223.76/x
  3. Step 3: Cross multiply
    869,197.52x = 1,199,481.80 × 487,223.76
  4. Step 4: Simplify right side
    869,197.52x = 584,416,032,647.57
  5. Step 5: Solve for x
    x = 584,416,032,647.57/869,197.52
  6. Step 6: Final answer
    x = 672,362.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.