Home / 754,660.80-1,133,303.40-400,366.80

Finding the Fourth Proportional to 754,660.80, 1,133,303.40 and 400,366.80

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Solution

The fourth proportional to 754,660.80, 1,133,303.40 and 400,366.80 is: 601,246.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    754,660.80 : 1,133,303.40 = 400,366.80 : x
  2. Step 2: Convert to fraction form
    754,660.80/1,133,303.40 = 400,366.80/x
  3. Step 3: Cross multiply
    754,660.80x = 1,133,303.40 × 400,366.80
  4. Step 4: Simplify right side
    754,660.80x = 453,737,055,687.12
  5. Step 5: Solve for x
    x = 453,737,055,687.12/754,660.80
  6. Step 6: Final answer
    x = 601,246.36

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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.