Home / 880,492.81-1,320,199.45-374,765.80

Finding the Fourth Proportional to 880,492.81, 1,320,199.45 and 374,765.80

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Solution

The fourth proportional to 880,492.81, 1,320,199.45 and 374,765.80 is: 561,918.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,492.81 : 1,320,199.45 = 374,765.80 : x
  2. Step 2: Convert to fraction form
    880,492.81/1,320,199.45 = 374,765.80/x
  3. Step 3: Cross multiply
    880,492.81x = 1,320,199.45 × 374,765.80
  4. Step 4: Simplify right side
    880,492.81x = 494,765,601,164.98
  5. Step 5: Solve for x
    x = 494,765,601,164.98/880,492.81
  6. Step 6: Final answer
    x = 561,918.96

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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.