Home / 763,361.20-1,145,221.62-230,886.64

Finding the Fourth Proportional to 763,361.20, 1,145,221.62 and 230,886.64

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Solution

The fourth proportional to 763,361.20, 1,145,221.62 and 230,886.64 is: 346,384.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    763,361.20 : 1,145,221.62 = 230,886.64 : x
  2. Step 2: Convert to fraction form
    763,361.20/1,145,221.62 = 230,886.64/x
  3. Step 3: Cross multiply
    763,361.20x = 1,145,221.62 × 230,886.64
  4. Step 4: Simplify right side
    763,361.20x = 264,416,371,897.16
  5. Step 5: Solve for x
    x = 264,416,371,897.16/763,361.20
  6. Step 6: Final answer
    x = 346,384.35

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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.