Home / 810,590.62-1,118,672.97-448,006.68

Finding the Fourth Proportional to 810,590.62, 1,118,672.97 and 448,006.68

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Solution

The fourth proportional to 810,590.62, 1,118,672.97 and 448,006.68 is: 618,281.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    810,590.62 : 1,118,672.97 = 448,006.68 : x
  2. Step 2: Convert to fraction form
    810,590.62/1,118,672.97 = 448,006.68/x
  3. Step 3: Cross multiply
    810,590.62x = 1,118,672.97 × 448,006.68
  4. Step 4: Simplify right side
    810,590.62x = 501,172,963,295.44
  5. Step 5: Solve for x
    x = 501,172,963,295.44/810,590.62
  6. Step 6: Final answer
    x = 618,281.23

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1.5x scale

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.