Home / 781,290.24-1,171,547.52-248,742

Finding the Fourth Proportional to 781,290.24, 1,171,547.52 and 248,742

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Solution

The fourth proportional to 781,290.24, 1,171,547.52 and 248,742 is: 372,989.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    781,290.24 : 1,171,547.52 = 248,742 : x
  2. Step 2: Convert to fraction form
    781,290.24/1,171,547.52 = 248,742/x
  3. Step 3: Cross multiply
    781,290.24x = 1,171,547.52 × 248,742
  4. Step 4: Simplify right side
    781,290.24x = 291,413,073,219.84
  5. Step 5: Solve for x
    x = 291,413,073,219.84/781,290.24
  6. Step 6: Final answer
    x = 372,989.52

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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.