Home / 744,933.60-1,116,622.80-407,455.20

Finding the Fourth Proportional to 744,933.60, 1,116,622.80 and 407,455.20

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Solution

The fourth proportional to 744,933.60, 1,116,622.80 and 407,455.20 is: 610,757.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    744,933.60 : 1,116,622.80 = 407,455.20 : x
  2. Step 2: Convert to fraction form
    744,933.60/1,116,622.80 = 407,455.20/x
  3. Step 3: Cross multiply
    744,933.60x = 1,116,622.80 × 407,455.20
  4. Step 4: Simplify right side
    744,933.60x = 454,973,766,298.56
  5. Step 5: Solve for x
    x = 454,973,766,298.56/744,933.60
  6. Step 6: Final answer
    x = 610,757.48

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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.