Home / 918,898.20-1,267,982.43-510,934.23

Finding the Fourth Proportional to 918,898.20, 1,267,982.43 and 510,934.23

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Solution

The fourth proportional to 918,898.20, 1,267,982.43 and 510,934.23 is: 705,035.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    918,898.20 : 1,267,982.43 = 510,934.23 : x
  2. Step 2: Convert to fraction form
    918,898.20/1,267,982.43 = 510,934.23/x
  3. Step 3: Cross multiply
    918,898.20x = 1,267,982.43 × 510,934.23
  4. Step 4: Simplify right side
    918,898.20x = 647,855,626,046.58
  5. Step 5: Solve for x
    x = 647,855,626,046.58/918,898.20
  6. Step 6: Final answer
    x = 705,035.26

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.