Home / 771,722.21-1,157,627.06-239,318.93

Finding the Fourth Proportional to 771,722.21, 1,157,627.06 and 239,318.93

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Solution

The fourth proportional to 771,722.21, 1,157,627.06 and 239,318.93 is: 358,991.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    771,722.21 : 1,157,627.06 = 239,318.93 : x
  2. Step 2: Convert to fraction form
    771,722.21/1,157,627.06 = 239,318.93/x
  3. Step 3: Cross multiply
    771,722.21x = 1,157,627.06 × 239,318.93
  4. Step 4: Simplify right side
    771,722.21x = 277,042,071,933.17
  5. Step 5: Solve for x
    x = 277,042,071,933.17/771,722.21
  6. Step 6: Final answer
    x = 358,991.96

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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.