Home / 649,577.40-973,847.70-275,292.60

Finding the Fourth Proportional to 649,577.40, 973,847.70 and 275,292.60

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Solution

The fourth proportional to 649,577.40, 973,847.70 and 275,292.60 is: 412,719.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,577.40 : 973,847.70 = 275,292.60 : x
  2. Step 2: Convert to fraction form
    649,577.40/973,847.70 = 275,292.60/x
  3. Step 3: Cross multiply
    649,577.40x = 973,847.70 × 275,292.60
  4. Step 4: Simplify right side
    649,577.40x = 268,093,065,337.02
  5. Step 5: Solve for x
    x = 268,093,065,337.02/649,577.40
  6. Step 6: Final answer
    x = 412,719.20

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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.