Home / 867,942.60-1,301,976.28-299,315.52

Finding the Fourth Proportional to 867,942.60, 1,301,976.28 and 299,315.52

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Solution

The fourth proportional to 867,942.60, 1,301,976.28 and 299,315.52 is: 448,994.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    867,942.60 : 1,301,976.28 = 299,315.52 : x
  2. Step 2: Convert to fraction form
    867,942.60/1,301,976.28 = 299,315.52/x
  3. Step 3: Cross multiply
    867,942.60x = 1,301,976.28 × 299,315.52
  4. Step 4: Simplify right side
    867,942.60x = 389,701,707,275.87
  5. Step 5: Solve for x
    x = 389,701,707,275.87/867,942.60
  6. Step 6: Final answer
    x = 448,994.79

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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.