Home / 865,947.30-1,299,161.51-360,746.65

Finding the Fourth Proportional to 865,947.30, 1,299,161.51 and 360,746.65

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Solution

The fourth proportional to 865,947.30, 1,299,161.51 and 360,746.65 is: 541,220.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    865,947.30 : 1,299,161.51 = 360,746.65 : x
  2. Step 2: Convert to fraction form
    865,947.30/1,299,161.51 = 360,746.65/x
  3. Step 3: Cross multiply
    865,947.30x = 1,299,161.51 × 360,746.65
  4. Step 4: Simplify right side
    865,947.30x = 468,668,162,541.44
  5. Step 5: Solve for x
    x = 468,668,162,541.44/865,947.30
  6. Step 6: Final answer
    x = 541,220.19

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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.