Home / 787,006.87-1,180,510.32-218,388.16

Finding the Fourth Proportional to 787,006.87, 1,180,510.32 and 218,388.16

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Solution

The fourth proportional to 787,006.87, 1,180,510.32 and 218,388.16 is: 327,582.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    787,006.87 : 1,180,510.32 = 218,388.16 : x
  2. Step 2: Convert to fraction form
    787,006.87/1,180,510.32 = 218,388.16/x
  3. Step 3: Cross multiply
    787,006.87x = 1,180,510.32 × 218,388.16
  4. Step 4: Simplify right side
    787,006.87x = 257,809,476,645.81
  5. Step 5: Solve for x
    x = 257,809,476,645.81/787,006.87
  6. Step 6: Final answer
    x = 327,582.24

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Similar ratio
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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.