Home / 771,823.71-1,157,847.66-239,387.64

Finding the Fourth Proportional to 771,823.71, 1,157,847.66 and 239,387.64

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Solution

The fourth proportional to 771,823.71, 1,157,847.66 and 239,387.64 is: 359,116.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    771,823.71 : 1,157,847.66 = 239,387.64 : x
  2. Step 2: Convert to fraction form
    771,823.71/1,157,847.66 = 239,387.64/x
  3. Step 3: Cross multiply
    771,823.71x = 1,157,847.66 × 239,387.64
  4. Step 4: Simplify right side
    771,823.71x = 277,174,418,806.92
  5. Step 5: Solve for x
    x = 277,174,418,806.92/771,823.71
  6. Step 6: Final answer
    x = 359,116.23

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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.