Home / 693,061.35-1,039,591.36-260,859.51

Finding the Fourth Proportional to 693,061.35, 1,039,591.36 and 260,859.51

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Solution

The fourth proportional to 693,061.35, 1,039,591.36 and 260,859.51 is: 391,289.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,061.35 : 1,039,591.36 = 260,859.51 : x
  2. Step 2: Convert to fraction form
    693,061.35/1,039,591.36 = 260,859.51/x
  3. Step 3: Cross multiply
    693,061.35x = 1,039,591.36 × 260,859.51
  4. Step 4: Simplify right side
    693,061.35x = 271,187,291,465.54
  5. Step 5: Solve for x
    x = 271,187,291,465.54/693,061.35
  6. Step 6: Final answer
    x = 391,289.01

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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.