Home / 835,320.80-1,252,981.20-302,859.20

Finding the Fourth Proportional to 835,320.80, 1,252,981.20 and 302,859.20

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Solution

The fourth proportional to 835,320.80, 1,252,981.20 and 302,859.20 is: 454,288.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    835,320.80 : 1,252,981.20 = 302,859.20 : x
  2. Step 2: Convert to fraction form
    835,320.80/1,252,981.20 = 302,859.20/x
  3. Step 3: Cross multiply
    835,320.80x = 1,252,981.20 × 302,859.20
  4. Step 4: Simplify right side
    835,320.80x = 379,476,883,847.04
  5. Step 5: Solve for x
    x = 379,476,883,847.04/835,320.80
  6. Step 6: Final answer
    x = 454,288.80

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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.