Home / 687,786.60-1,030,805.10-332,034.60

Finding the Fourth Proportional to 687,786.60, 1,030,805.10 and 332,034.60

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Solution

The fourth proportional to 687,786.60, 1,030,805.10 and 332,034.60 is: 497,629.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    687,786.60 : 1,030,805.10 = 332,034.60 : x
  2. Step 2: Convert to fraction form
    687,786.60/1,030,805.10 = 332,034.60/x
  3. Step 3: Cross multiply
    687,786.60x = 1,030,805.10 × 332,034.60
  4. Step 4: Simplify right side
    687,786.60x = 342,262,959,056.46
  5. Step 5: Solve for x
    x = 342,262,959,056.46/687,786.60
  6. Step 6: Final answer
    x = 497,629.58

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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.