Home / 726,838.60-1,088,184.30-446,902.60

Finding the Fourth Proportional to 726,838.60, 1,088,184.30 and 446,902.60

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Solution

The fourth proportional to 726,838.60, 1,088,184.30 and 446,902.60 is: 669,078.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,838.60 : 1,088,184.30 = 446,902.60 : x
  2. Step 2: Convert to fraction form
    726,838.60/1,088,184.30 = 446,902.60/x
  3. Step 3: Cross multiply
    726,838.60x = 1,088,184.30 × 446,902.60
  4. Step 4: Simplify right side
    726,838.60x = 486,312,392,949.18
  5. Step 5: Solve for x
    x = 486,312,392,949.18/726,838.60
  6. Step 6: Final answer
    x = 669,078.93

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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.