Home / 736,120.96-1,015,722.56-413,788.16

Finding the Fourth Proportional to 736,120.96, 1,015,722.56 and 413,788.16

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Solution

The fourth proportional to 736,120.96, 1,015,722.56 and 413,788.16 is: 570,957.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    736,120.96 : 1,015,722.56 = 413,788.16 : x
  2. Step 2: Convert to fraction form
    736,120.96/1,015,722.56 = 413,788.16/x
  3. Step 3: Cross multiply
    736,120.96x = 1,015,722.56 × 413,788.16
  4. Step 4: Simplify right side
    736,120.96x = 420,293,969,172.89
  5. Step 5: Solve for x
    x = 420,293,969,172.89/736,120.96
  6. Step 6: Final answer
    x = 570,957.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.