Home / 873,799.55-1,310,755.87-274,783.89

Finding the Fourth Proportional to 873,799.55, 1,310,755.87 and 274,783.89

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Solution

The fourth proportional to 873,799.55, 1,310,755.87 and 274,783.89 is: 412,193.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    873,799.55 : 1,310,755.87 = 274,783.89 : x
  2. Step 2: Convert to fraction form
    873,799.55/1,310,755.87 = 274,783.89/x
  3. Step 3: Cross multiply
    873,799.55x = 1,310,755.87 × 274,783.89
  4. Step 4: Simplify right side
    873,799.55x = 360,174,602,057.75
  5. Step 5: Solve for x
    x = 360,174,602,057.75/873,799.55
  6. Step 6: Final answer
    x = 412,193.62

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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.