Home / 726,621.60-1,088,895.60-535,591.20

Finding the Fourth Proportional to 726,621.60, 1,088,895.60 and 535,591.20

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Solution

The fourth proportional to 726,621.60, 1,088,895.60 and 535,591.20 is: 802,622.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,621.60 : 1,088,895.60 = 535,591.20 : x
  2. Step 2: Convert to fraction form
    726,621.60/1,088,895.60 = 535,591.20/x
  3. Step 3: Cross multiply
    726,621.60x = 1,088,895.60 × 535,591.20
  4. Step 4: Simplify right side
    726,621.60x = 583,202,901,078.72
  5. Step 5: Solve for x
    x = 583,202,901,078.72/726,621.60
  6. Step 6: Final answer
    x = 802,622.58

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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.