Home / 723,002.68-1,084,801.49-317,986.48

Finding the Fourth Proportional to 723,002.68, 1,084,801.49 and 317,986.48

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Solution

The fourth proportional to 723,002.68, 1,084,801.49 and 317,986.48 is: 477,110.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,002.68 : 1,084,801.49 = 317,986.48 : x
  2. Step 2: Convert to fraction form
    723,002.68/1,084,801.49 = 317,986.48/x
  3. Step 3: Cross multiply
    723,002.68x = 1,084,801.49 × 317,986.48
  4. Step 4: Simplify right side
    723,002.68x = 344,952,207,303.86
  5. Step 5: Solve for x
    x = 344,952,207,303.86/723,002.68
  6. Step 6: Final answer
    x = 477,110.55

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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.