Home / 787,145.51-1,180,661.32-247,556.14

Finding the Fourth Proportional to 787,145.51, 1,180,661.32 and 247,556.14

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Solution

The fourth proportional to 787,145.51, 1,180,661.32 and 247,556.14 is: 371,316.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    787,145.51 : 1,180,661.32 = 247,556.14 : x
  2. Step 2: Convert to fraction form
    787,145.51/1,180,661.32 = 247,556.14/x
  3. Step 3: Cross multiply
    787,145.51x = 1,180,661.32 × 247,556.14
  4. Step 4: Simplify right side
    787,145.51x = 292,279,959,026.51
  5. Step 5: Solve for x
    x = 292,279,959,026.51/787,145.51
  6. Step 6: Final answer
    x = 371,316.30

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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.