Home / 709,258.92-1,062,969.18-288,045.48

Finding the Fourth Proportional to 709,258.92, 1,062,969.18 and 288,045.48

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Solution

The fourth proportional to 709,258.92, 1,062,969.18 and 288,045.48 is: 431,694.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    709,258.92 : 1,062,969.18 = 288,045.48 : x
  2. Step 2: Convert to fraction form
    709,258.92/1,062,969.18 = 288,045.48/x
  3. Step 3: Cross multiply
    709,258.92x = 1,062,969.18 × 288,045.48
  4. Step 4: Simplify right side
    709,258.92x = 306,183,467,678.31
  5. Step 5: Solve for x
    x = 306,183,467,678.31/709,258.92
  6. Step 6: Final answer
    x = 431,694.91

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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.