Home / 785,154.79-1,177,732.59-252,675.78

Finding the Fourth Proportional to 785,154.79, 1,177,732.59 and 252,675.78

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Solution

The fourth proportional to 785,154.79, 1,177,732.59 and 252,675.78 is: 379,013.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    785,154.79 : 1,177,732.59 = 252,675.78 : x
  2. Step 2: Convert to fraction form
    785,154.79/1,177,732.59 = 252,675.78/x
  3. Step 3: Cross multiply
    785,154.79x = 1,177,732.59 × 252,675.78
  4. Step 4: Simplify right side
    785,154.79x = 297,584,500,809.67
  5. Step 5: Solve for x
    x = 297,584,500,809.67/785,154.79
  6. Step 6: Final answer
    x = 379,013.80

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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.