Home / 684,676.20-1,026,158.94-472,624.68

Finding the Fourth Proportional to 684,676.20, 1,026,158.94 and 472,624.68

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Solution

The fourth proportional to 684,676.20, 1,026,158.94 and 472,624.68 is: 708,346.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,676.20 : 1,026,158.94 = 472,624.68 : x
  2. Step 2: Convert to fraction form
    684,676.20/1,026,158.94 = 472,624.68/x
  3. Step 3: Cross multiply
    684,676.20x = 1,026,158.94 × 472,624.68
  4. Step 4: Simplify right side
    684,676.20x = 484,988,040,646.64
  5. Step 5: Solve for x
    x = 484,988,040,646.64/684,676.20
  6. Step 6: Final answer
    x = 708,346.57

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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.