Home / 723,230.68-1,083,621.24-438,059.44

Finding the Fourth Proportional to 723,230.68, 1,083,621.24 and 438,059.44

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Solution

The fourth proportional to 723,230.68, 1,083,621.24 and 438,059.44 is: 656,347.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,230.68 : 1,083,621.24 = 438,059.44 : x
  2. Step 2: Convert to fraction form
    723,230.68/1,083,621.24 = 438,059.44/x
  3. Step 3: Cross multiply
    723,230.68x = 1,083,621.24 × 438,059.44
  4. Step 4: Simplify right side
    723,230.68x = 474,690,513,566.51
  5. Step 5: Solve for x
    x = 474,690,513,566.51/723,230.68
  6. Step 6: Final answer
    x = 656,347.31

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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.