Home / 757,835.91-1,136,420.34-284,189.12

Finding the Fourth Proportional to 757,835.91, 1,136,420.34 and 284,189.12

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Solution

The fourth proportional to 757,835.91, 1,136,420.34 and 284,189.12 is: 426,158.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    757,835.91 : 1,136,420.34 = 284,189.12 : x
  2. Step 2: Convert to fraction form
    757,835.91/1,136,420.34 = 284,189.12/x
  3. Step 3: Cross multiply
    757,835.91x = 1,136,420.34 × 284,189.12
  4. Step 4: Simplify right side
    757,835.91x = 322,958,290,692.60
  5. Step 5: Solve for x
    x = 322,958,290,692.60/757,835.91
  6. Step 6: Final answer
    x = 426,158.60

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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.