Home / 780,837.94-1,171,395.81-275,692.19

Finding the Fourth Proportional to 780,837.94, 1,171,395.81 and 275,692.19

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Solution

The fourth proportional to 780,837.94, 1,171,395.81 and 275,692.19 is: 413,587.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    780,837.94 : 1,171,395.81 = 275,692.19 : x
  2. Step 2: Convert to fraction form
    780,837.94/1,171,395.81 = 275,692.19/x
  3. Step 3: Cross multiply
    780,837.94x = 1,171,395.81 × 275,692.19
  4. Step 4: Simplify right side
    780,837.94x = 322,944,683,052.74
  5. Step 5: Solve for x
    x = 322,944,683,052.74/780,837.94
  6. Step 6: Final answer
    x = 413,587.34

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1.5x scale

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.