Home / 723,003.68-1,084,802.99-317,987.48

Finding the Fourth Proportional to 723,003.68, 1,084,802.99 and 317,987.48

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Solution

The fourth proportional to 723,003.68, 1,084,802.99 and 317,987.48 is: 477,112.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,003.68 : 1,084,802.99 = 317,987.48 : x
  2. Step 2: Convert to fraction form
    723,003.68/1,084,802.99 = 317,987.48/x
  3. Step 3: Cross multiply
    723,003.68x = 1,084,802.99 × 317,987.48
  4. Step 4: Simplify right side
    723,003.68x = 344,953,769,086.57
  5. Step 5: Solve for x
    x = 344,953,769,086.57/723,003.68
  6. Step 6: Final answer
    x = 477,112.05

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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.