Home / 670,243.40-1,006,081.34-271,145.06

Finding the Fourth Proportional to 670,243.40, 1,006,081.34 and 271,145.06

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Solution

The fourth proportional to 670,243.40, 1,006,081.34 and 271,145.06 is: 407,007.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,243.40 : 1,006,081.34 = 271,145.06 : x
  2. Step 2: Convert to fraction form
    670,243.40/1,006,081.34 = 271,145.06/x
  3. Step 3: Cross multiply
    670,243.40x = 1,006,081.34 × 271,145.06
  4. Step 4: Simplify right side
    670,243.40x = 272,793,985,299.18
  5. Step 5: Solve for x
    x = 272,793,985,299.18/670,243.40
  6. Step 6: Final answer
    x = 407,007.34

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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.