Home / 472,844.66-652,575.84-289,190.66

Finding the Fourth Proportional to 472,844.66, 652,575.84 and 289,190.66

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Solution

The fourth proportional to 472,844.66, 652,575.84 and 289,190.66 is: 399,113.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,844.66 : 652,575.84 = 289,190.66 : x
  2. Step 2: Convert to fraction form
    472,844.66/652,575.84 = 289,190.66/x
  3. Step 3: Cross multiply
    472,844.66x = 652,575.84 × 289,190.66
  4. Step 4: Simplify right side
    472,844.66x = 188,718,837,869.65
  5. Step 5: Solve for x
    x = 188,718,837,869.65/472,844.66
  6. Step 6: Final answer
    x = 399,113.82

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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.