Home / 980,718.36-1,470,346.92-412,265.76

Finding the Fourth Proportional to 980,718.36, 1,470,346.92 and 412,265.76

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Solution

The fourth proportional to 980,718.36, 1,470,346.92 and 412,265.76 is: 618,091.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    980,718.36 : 1,470,346.92 = 412,265.76 : x
  2. Step 2: Convert to fraction form
    980,718.36/1,470,346.92 = 412,265.76/x
  3. Step 3: Cross multiply
    980,718.36x = 1,470,346.92 × 412,265.76
  4. Step 4: Simplify right side
    980,718.36x = 606,173,690,437.46
  5. Step 5: Solve for x
    x = 606,173,690,437.46/980,718.36
  6. Step 6: Final answer
    x = 618,091.51

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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.