Home / 724,152.24-1,085,804.87-218,561.58

Finding the Fourth Proportional to 724,152.24, 1,085,804.87 and 218,561.58

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Solution

The fourth proportional to 724,152.24, 1,085,804.87 and 218,561.58 is: 327,714.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,152.24 : 1,085,804.87 = 218,561.58 : x
  2. Step 2: Convert to fraction form
    724,152.24/1,085,804.87 = 218,561.58/x
  3. Step 3: Cross multiply
    724,152.24x = 1,085,804.87 × 218,561.58
  4. Step 4: Simplify right side
    724,152.24x = 237,315,226,866.09
  5. Step 5: Solve for x
    x = 237,315,226,866.09/724,152.24
  6. Step 6: Final answer
    x = 327,714.55

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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.