Home / 848,012.28-1,272,005.46-216,920.76

Finding the Fourth Proportional to 848,012.28, 1,272,005.46 and 216,920.76

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Solution

The fourth proportional to 848,012.28, 1,272,005.46 and 216,920.76 is: 325,377.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    848,012.28 : 1,272,005.46 = 216,920.76 : x
  2. Step 2: Convert to fraction form
    848,012.28/1,272,005.46 = 216,920.76/x
  3. Step 3: Cross multiply
    848,012.28x = 1,272,005.46 × 216,920.76
  4. Step 4: Simplify right side
    848,012.28x = 275,924,391,107.35
  5. Step 5: Solve for x
    x = 275,924,391,107.35/848,012.28
  6. Step 6: Final answer
    x = 325,377.82

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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.