Home / 887,392.63-1,330,556.28-407,018.62

Finding the Fourth Proportional to 887,392.63, 1,330,556.28 and 407,018.62

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Solution

The fourth proportional to 887,392.63, 1,330,556.28 and 407,018.62 is: 610,283.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,392.63 : 1,330,556.28 = 407,018.62 : x
  2. Step 2: Convert to fraction form
    887,392.63/1,330,556.28 = 407,018.62/x
  3. Step 3: Cross multiply
    887,392.63x = 1,330,556.28 × 407,018.62
  4. Step 4: Simplify right side
    887,392.63x = 541,561,180,917.93
  5. Step 5: Solve for x
    x = 541,561,180,917.93/887,392.63
  6. Step 6: Final answer
    x = 610,283.61

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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.