Home / 768,031.20-1,152,046.80-530,872.80

Finding the Fourth Proportional to 768,031.20, 1,152,046.80 and 530,872.80

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Solution

The fourth proportional to 768,031.20, 1,152,046.80 and 530,872.80 is: 796,309.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    768,031.20 : 1,152,046.80 = 530,872.80 : x
  2. Step 2: Convert to fraction form
    768,031.20/1,152,046.80 = 530,872.80/x
  3. Step 3: Cross multiply
    768,031.20x = 1,152,046.80 × 530,872.80
  4. Step 4: Simplify right side
    768,031.20x = 611,590,310,447.04
  5. Step 5: Solve for x
    x = 611,590,310,447.04/768,031.20
  6. Step 6: Final answer
    x = 796,309.20

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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.