Home / 610,865.55-915,930.18-273,845.21

Finding the Fourth Proportional to 610,865.55, 915,930.18 and 273,845.21

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Solution

The fourth proportional to 610,865.55, 915,930.18 and 273,845.21 is: 410,602.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    610,865.55 : 915,930.18 = 273,845.21 : x
  2. Step 2: Convert to fraction form
    610,865.55/915,930.18 = 273,845.21/x
  3. Step 3: Cross multiply
    610,865.55x = 915,930.18 × 273,845.21
  4. Step 4: Simplify right side
    610,865.55x = 250,823,087,907.79
  5. Step 5: Solve for x
    x = 250,823,087,907.79/610,865.55
  6. Step 6: Final answer
    x = 410,602.77

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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.