Home / 869,112.20-1,303,668.30-629,611.40

Finding the Fourth Proportional to 869,112.20, 1,303,668.30 and 629,611.40

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Solution

The fourth proportional to 869,112.20, 1,303,668.30 and 629,611.40 is: 944,417.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    869,112.20 : 1,303,668.30 = 629,611.40 : x
  2. Step 2: Convert to fraction form
    869,112.20/1,303,668.30 = 629,611.40/x
  3. Step 3: Cross multiply
    869,112.20x = 1,303,668.30 × 629,611.40
  4. Step 4: Simplify right side
    869,112.20x = 820,804,423,498.62
  5. Step 5: Solve for x
    x = 820,804,423,498.62/869,112.20
  6. Step 6: Final answer
    x = 944,417.10

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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.