Home / 618,824.16-928,301.04-263,875.68

Finding the Fourth Proportional to 618,824.16, 928,301.04 and 263,875.68

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Solution

The fourth proportional to 618,824.16, 928,301.04 and 263,875.68 is: 395,841.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    618,824.16 : 928,301.04 = 263,875.68 : x
  2. Step 2: Convert to fraction form
    618,824.16/928,301.04 = 263,875.68/x
  3. Step 3: Cross multiply
    618,824.16x = 928,301.04 × 263,875.68
  4. Step 4: Simplify right side
    618,824.16x = 244,956,068,174.71
  5. Step 5: Solve for x
    x = 244,956,068,174.71/618,824.16
  6. Step 6: Final answer
    x = 395,841.15

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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.