Home / 854,381.70-1,281,572.55-454,816.80

Finding the Fourth Proportional to 854,381.70, 1,281,572.55 and 454,816.80

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Solution

The fourth proportional to 854,381.70, 1,281,572.55 and 454,816.80 is: 682,225.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    854,381.70 : 1,281,572.55 = 454,816.80 : x
  2. Step 2: Convert to fraction form
    854,381.70/1,281,572.55 = 454,816.80/x
  3. Step 3: Cross multiply
    854,381.70x = 1,281,572.55 × 454,816.80
  4. Step 4: Simplify right side
    854,381.70x = 582,880,726,158.84
  5. Step 5: Solve for x
    x = 582,880,726,158.84/854,381.70
  6. Step 6: Final answer
    x = 682,225.20

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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.