Home / 854,442.50-1,280,825.40-475,544.76

Finding the Fourth Proportional to 854,442.50, 1,280,825.40 and 475,544.76

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Solution

The fourth proportional to 854,442.50, 1,280,825.40 and 475,544.76 is: 712,850.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    854,442.50 : 1,280,825.40 = 475,544.76 : x
  2. Step 2: Convert to fraction form
    854,442.50/1,280,825.40 = 475,544.76/x
  3. Step 3: Cross multiply
    854,442.50x = 1,280,825.40 × 475,544.76
  4. Step 4: Simplify right side
    854,442.50x = 609,089,807,444.90
  5. Step 5: Solve for x
    x = 609,089,807,444.90/854,442.50
  6. Step 6: Final answer
    x = 712,850.55

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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.