Home / 855,614.13-1,180,747.85-468,454.65

Finding the Fourth Proportional to 855,614.13, 1,180,747.85 and 468,454.65

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Solution

The fourth proportional to 855,614.13, 1,180,747.85 and 468,454.65 is: 646,467.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,614.13 : 1,180,747.85 = 468,454.65 : x
  2. Step 2: Convert to fraction form
    855,614.13/1,180,747.85 = 468,454.65/x
  3. Step 3: Cross multiply
    855,614.13x = 1,180,747.85 × 468,454.65
  4. Step 4: Simplify right side
    855,614.13x = 553,126,818,467.73
  5. Step 5: Solve for x
    x = 553,126,818,467.73/855,614.13
  6. Step 6: Final answer
    x = 646,467.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.