Home / 829,510.65-1,243,109.25-626,940.46

Finding the Fourth Proportional to 829,510.65, 1,243,109.25 and 626,940.46

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Solution

The fourth proportional to 829,510.65, 1,243,109.25 and 626,940.46 is: 939,536.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    829,510.65 : 1,243,109.25 = 626,940.46 : x
  2. Step 2: Convert to fraction form
    829,510.65/1,243,109.25 = 626,940.46/x
  3. Step 3: Cross multiply
    829,510.65x = 1,243,109.25 × 626,940.46
  4. Step 4: Simplify right side
    829,510.65x = 779,355,481,349.92
  5. Step 5: Solve for x
    x = 779,355,481,349.92/829,510.65
  6. Step 6: Final answer
    x = 939,536.44

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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.