Home / 681,477.40-1,022,216.10-668,355.40

Finding the Fourth Proportional to 681,477.40, 1,022,216.10 and 668,355.40

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Solution

The fourth proportional to 681,477.40, 1,022,216.10 and 668,355.40 is: 1,002,533.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,477.40 : 1,022,216.10 = 668,355.40 : x
  2. Step 2: Convert to fraction form
    681,477.40/1,022,216.10 = 668,355.40/x
  3. Step 3: Cross multiply
    681,477.40x = 1,022,216.10 × 668,355.40
  4. Step 4: Simplify right side
    681,477.40x = 683,203,650,401.94
  5. Step 5: Solve for x
    x = 683,203,650,401.94/681,477.40
  6. Step 6: Final answer
    x = 1,002,533.10

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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.