Home / 945,232.40-1,418,770.20-472,451.60

Finding the Fourth Proportional to 945,232.40, 1,418,770.20 and 472,451.60

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Solution

The fourth proportional to 945,232.40, 1,418,770.20 and 472,451.60 is: 709,138.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    945,232.40 : 1,418,770.20 = 472,451.60 : x
  2. Step 2: Convert to fraction form
    945,232.40/1,418,770.20 = 472,451.60/x
  3. Step 3: Cross multiply
    945,232.40x = 1,418,770.20 × 472,451.60
  4. Step 4: Simplify right side
    945,232.40x = 670,300,251,022.32
  5. Step 5: Solve for x
    x = 670,300,251,022.32/945,232.40
  6. Step 6: Final answer
    x = 709,138.04

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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.