Home / 578,121.10-867,176.86-451,867.47

Finding the Fourth Proportional to 578,121.10, 867,176.86 and 451,867.47

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Solution

The fourth proportional to 578,121.10, 867,176.86 and 451,867.47 is: 677,797.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,121.10 : 867,176.86 = 451,867.47 : x
  2. Step 2: Convert to fraction form
    578,121.10/867,176.86 = 451,867.47/x
  3. Step 3: Cross multiply
    578,121.10x = 867,176.86 × 451,867.47
  4. Step 4: Simplify right side
    578,121.10x = 391,849,013,770.74
  5. Step 5: Solve for x
    x = 391,849,013,770.74/578,121.10
  6. Step 6: Final answer
    x = 677,797.46

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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.