Home / 848,013.28-1,272,006.96-216,921.76

Finding the Fourth Proportional to 848,013.28, 1,272,006.96 and 216,921.76

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Solution

The fourth proportional to 848,013.28, 1,272,006.96 and 216,921.76 is: 325,379.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    848,013.28 : 1,272,006.96 = 216,921.76 : x
  2. Step 2: Convert to fraction form
    848,013.28/1,272,006.96 = 216,921.76/x
  3. Step 3: Cross multiply
    848,013.28x = 1,272,006.96 × 216,921.76
  4. Step 4: Simplify right side
    848,013.28x = 275,925,988,495.45
  5. Step 5: Solve for x
    x = 275,925,988,495.45/848,013.28
  6. Step 6: Final answer
    x = 325,379.32

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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.