Home / 854,025.60-1,280,163.60-498,856.80

Finding the Fourth Proportional to 854,025.60, 1,280,163.60 and 498,856.80

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Solution

The fourth proportional to 854,025.60, 1,280,163.60 and 498,856.80 is: 747,774.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    854,025.60 : 1,280,163.60 = 498,856.80 : x
  2. Step 2: Convert to fraction form
    854,025.60/1,280,163.60 = 498,856.80/x
  3. Step 3: Cross multiply
    854,025.60x = 1,280,163.60 × 498,856.80
  4. Step 4: Simplify right side
    854,025.60x = 638,618,316,972.48
  5. Step 5: Solve for x
    x = 638,618,316,972.48/854,025.60
  6. Step 6: Final answer
    x = 747,774.21

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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.