Home / 905,133.01-1,355,632.80-432,150.52

Finding the Fourth Proportional to 905,133.01, 1,355,632.80 and 432,150.52

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Solution

The fourth proportional to 905,133.01, 1,355,632.80 and 432,150.52 is: 647,239.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    905,133.01 : 1,355,632.80 = 432,150.52 : x
  2. Step 2: Convert to fraction form
    905,133.01/1,355,632.80 = 432,150.52/x
  3. Step 3: Cross multiply
    905,133.01x = 1,355,632.80 × 432,150.52
  4. Step 4: Simplify right side
    905,133.01x = 585,837,414,439.41
  5. Step 5: Solve for x
    x = 585,837,414,439.41/905,133.01
  6. Step 6: Final answer
    x = 647,239.04

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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.