Home / 726,015.11-1,001,744.30-439,547.27

Finding the Fourth Proportional to 726,015.11, 1,001,744.30 and 439,547.27

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Solution

The fourth proportional to 726,015.11, 1,001,744.30 and 439,547.27 is: 606,480.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,015.11 : 1,001,744.30 = 439,547.27 : x
  2. Step 2: Convert to fraction form
    726,015.11/1,001,744.30 = 439,547.27/x
  3. Step 3: Cross multiply
    726,015.11x = 1,001,744.30 × 439,547.27
  4. Step 4: Simplify right side
    726,015.11x = 440,313,970,105.33
  5. Step 5: Solve for x
    x = 440,313,970,105.33/726,015.11
  6. Step 6: Final answer
    x = 606,480.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.