Home / 771,825.21-1,157,849.91-239,389.14

Finding the Fourth Proportional to 771,825.21, 1,157,849.91 and 239,389.14

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Solution

The fourth proportional to 771,825.21, 1,157,849.91 and 239,389.14 is: 359,118.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    771,825.21 : 1,157,849.91 = 239,389.14 : x
  2. Step 2: Convert to fraction form
    771,825.21/1,157,849.91 = 239,389.14/x
  3. Step 3: Cross multiply
    771,825.21x = 1,157,849.91 × 239,389.14
  4. Step 4: Simplify right side
    771,825.21x = 277,176,694,203.98
  5. Step 5: Solve for x
    x = 277,176,694,203.98/771,825.21
  6. Step 6: Final answer
    x = 359,118.48

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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.