Home / 771,817.80-1,157,726.70-273,232.20

Finding the Fourth Proportional to 771,817.80, 1,157,726.70 and 273,232.20

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Solution

The fourth proportional to 771,817.80, 1,157,726.70 and 273,232.20 is: 409,848.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    771,817.80 : 1,157,726.70 = 273,232.20 : x
  2. Step 2: Convert to fraction form
    771,817.80/1,157,726.70 = 273,232.20/x
  3. Step 3: Cross multiply
    771,817.80x = 1,157,726.70 × 273,232.20
  4. Step 4: Simplify right side
    771,817.80x = 316,328,213,239.74
  5. Step 5: Solve for x
    x = 316,328,213,239.74/771,817.80
  6. Step 6: Final answer
    x = 409,848.30

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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.