Home / 679,550.60-1,018,689.24-229,956.72

Finding the Fourth Proportional to 679,550.60, 1,018,689.24 and 229,956.72

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Solution

The fourth proportional to 679,550.60, 1,018,689.24 and 229,956.72 is: 344,719.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,550.60 : 1,018,689.24 = 229,956.72 : x
  2. Step 2: Convert to fraction form
    679,550.60/1,018,689.24 = 229,956.72/x
  3. Step 3: Cross multiply
    679,550.60x = 1,018,689.24 × 229,956.72
  4. Step 4: Simplify right side
    679,550.60x = 234,254,436,329.69
  5. Step 5: Solve for x
    x = 234,254,436,329.69/679,550.60
  6. Step 6: Final answer
    x = 344,719.64

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1.5x scale

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.