Home / 757,549.77-1,136,515.00-217,807.05

Finding the Fourth Proportional to 757,549.77, 1,136,515.00 and 217,807.05

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Solution

The fourth proportional to 757,549.77, 1,136,515.00 and 217,807.05 is: 326,765.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    757,549.77 : 1,136,515.00 = 217,807.05 : x
  2. Step 2: Convert to fraction form
    757,549.77/1,136,515.00 = 217,807.05/x
  3. Step 3: Cross multiply
    757,549.77x = 1,136,515.00 × 217,807.05
  4. Step 4: Simplify right side
    757,549.77x = 247,540,980,360.10
  5. Step 5: Solve for x
    x = 247,540,980,360.10/757,549.77
  6. Step 6: Final answer
    x = 326,765.30

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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.