Home / 670,719.72-1,006,087.68-266,011.32

Finding the Fourth Proportional to 670,719.72, 1,006,087.68 and 266,011.32

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Solution

The fourth proportional to 670,719.72, 1,006,087.68 and 266,011.32 is: 399,020.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,719.72 : 1,006,087.68 = 266,011.32 : x
  2. Step 2: Convert to fraction form
    670,719.72/1,006,087.68 = 266,011.32/x
  3. Step 3: Cross multiply
    670,719.72x = 1,006,087.68 × 266,011.32
  4. Step 4: Simplify right side
    670,719.72x = 267,630,711,792.54
  5. Step 5: Solve for x
    x = 267,630,711,792.54/670,719.72
  6. Step 6: Final answer
    x = 399,020.19

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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.