Home / 708,687.20-1,062,350.40-235,128.80

Finding the Fourth Proportional to 708,687.20, 1,062,350.40 and 235,128.80

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Solution

The fourth proportional to 708,687.20, 1,062,350.40 and 235,128.80 is: 352,467.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,687.20 : 1,062,350.40 = 235,128.80 : x
  2. Step 2: Convert to fraction form
    708,687.20/1,062,350.40 = 235,128.80/x
  3. Step 3: Cross multiply
    708,687.20x = 1,062,350.40 × 235,128.80
  4. Step 4: Simplify right side
    708,687.20x = 249,789,174,731.52
  5. Step 5: Solve for x
    x = 249,789,174,731.52/708,687.20
  6. Step 6: Final answer
    x = 352,467.46

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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.