Home / 479,579.04-661,819.14-264,719.15

Finding the Fourth Proportional to 479,579.04, 661,819.14 and 264,719.15

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Solution

The fourth proportional to 479,579.04, 661,819.14 and 264,719.15 is: 365,312.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,579.04 : 661,819.14 = 264,719.15 : x
  2. Step 2: Convert to fraction form
    479,579.04/661,819.14 = 264,719.15/x
  3. Step 3: Cross multiply
    479,579.04x = 661,819.14 × 264,719.15
  4. Step 4: Simplify right side
    479,579.04x = 175,196,196,885.44
  5. Step 5: Solve for x
    x = 175,196,196,885.44/479,579.04
  6. Step 6: Final answer
    x = 365,312.46

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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.