Home / 670,156.20-1,004,456.70-270,599.40

Finding the Fourth Proportional to 670,156.20, 1,004,456.70 and 270,599.40

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Solution

The fourth proportional to 670,156.20, 1,004,456.70 and 270,599.40 is: 405,585.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,156.20 : 1,004,456.70 = 270,599.40 : x
  2. Step 2: Convert to fraction form
    670,156.20/1,004,456.70 = 270,599.40/x
  3. Step 3: Cross multiply
    670,156.20x = 1,004,456.70 × 270,599.40
  4. Step 4: Simplify right side
    670,156.20x = 271,805,380,345.98
  5. Step 5: Solve for x
    x = 271,805,380,345.98/670,156.20
  6. Step 6: Final answer
    x = 405,585.12

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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.