Home / 712,208.20-1,066,929.90-396,099.40

Finding the Fourth Proportional to 712,208.20, 1,066,929.90 and 396,099.40

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Solution

The fourth proportional to 712,208.20, 1,066,929.90 and 396,099.40 is: 593,380.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    712,208.20 : 1,066,929.90 = 396,099.40 : x
  2. Step 2: Convert to fraction form
    712,208.20/1,066,929.90 = 396,099.40/x
  3. Step 3: Cross multiply
    712,208.20x = 1,066,929.90 × 396,099.40
  4. Step 4: Simplify right side
    712,208.20x = 422,610,293,232.06
  5. Step 5: Solve for x
    x = 422,610,293,232.06/712,208.20
  6. Step 6: Final answer
    x = 593,380.27

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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.