Home / 854,440.50-1,280,822.40-475,542.75

Finding the Fourth Proportional to 854,440.50, 1,280,822.40 and 475,542.75

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Solution

The fourth proportional to 854,440.50, 1,280,822.40 and 475,542.75 is: 712,847.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    854,440.50 : 1,280,822.40 = 475,542.75 : x
  2. Step 2: Convert to fraction form
    854,440.50/1,280,822.40 = 475,542.75/x
  3. Step 3: Cross multiply
    854,440.50x = 1,280,822.40 × 475,542.75
  4. Step 4: Simplify right side
    854,440.50x = 609,085,806,357.60
  5. Step 5: Solve for x
    x = 609,085,806,357.60/854,440.50
  6. Step 6: Final answer
    x = 712,847.54

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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.