Home / 687,789.60-1,030,809.60-332,037.60

Finding the Fourth Proportional to 687,789.60, 1,030,809.60 and 332,037.60

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Solution

The fourth proportional to 687,789.60, 1,030,809.60 and 332,037.60 is: 497,634.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    687,789.60 : 1,030,809.60 = 332,037.60 : x
  2. Step 2: Convert to fraction form
    687,789.60/1,030,809.60 = 332,037.60/x
  3. Step 3: Cross multiply
    687,789.60x = 1,030,809.60 × 332,037.60
  4. Step 4: Simplify right side
    687,789.60x = 342,267,545,640.96
  5. Step 5: Solve for x
    x = 342,267,545,640.96/687,789.60
  6. Step 6: Final answer
    x = 497,634.08

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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.