Home / 762,173.92-1,143,305.76-256,692.64

Finding the Fourth Proportional to 762,173.92, 1,143,305.76 and 256,692.64

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Solution

The fourth proportional to 762,173.92, 1,143,305.76 and 256,692.64 is: 385,054.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,173.92 : 1,143,305.76 = 256,692.64 : x
  2. Step 2: Convert to fraction form
    762,173.92/1,143,305.76 = 256,692.64/x
  3. Step 3: Cross multiply
    762,173.92x = 1,143,305.76 × 256,692.64
  4. Step 4: Simplify right side
    762,173.92x = 293,478,173,861.61
  5. Step 5: Solve for x
    x = 293,478,173,861.61/762,173.92
  6. Step 6: Final answer
    x = 385,054.08

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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.