Home / 785,842.60-1,177,772.70-336,031.72

Finding the Fourth Proportional to 785,842.60, 1,177,772.70 and 336,031.72

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Solution

The fourth proportional to 785,842.60, 1,177,772.70 and 336,031.72 is: 503,623.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    785,842.60 : 1,177,772.70 = 336,031.72 : x
  2. Step 2: Convert to fraction form
    785,842.60/1,177,772.70 = 336,031.72/x
  3. Step 3: Cross multiply
    785,842.60x = 1,177,772.70 × 336,031.72
  4. Step 4: Simplify right side
    785,842.60x = 395,768,986,150.04
  5. Step 5: Solve for x
    x = 395,768,986,150.04/785,842.60
  6. Step 6: Final answer
    x = 503,623.74

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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.