Home / 649,611.90-973,899.45-275,327.10

Finding the Fourth Proportional to 649,611.90, 973,899.45 and 275,327.10

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Solution

The fourth proportional to 649,611.90, 973,899.45 and 275,327.10 is: 412,770.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,611.90 : 973,899.45 = 275,327.10 : x
  2. Step 2: Convert to fraction form
    649,611.90/973,899.45 = 275,327.10/x
  3. Step 3: Cross multiply
    649,611.90x = 973,899.45 × 275,327.10
  4. Step 4: Simplify right side
    649,611.90x = 268,140,911,260.10
  5. Step 5: Solve for x
    x = 268,140,911,260.10/649,611.90
  6. Step 6: Final answer
    x = 412,770.93

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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.