Home / 746,131.72-1,029,662.02-406,600.04

Finding the Fourth Proportional to 746,131.72, 1,029,662.02 and 406,600.04

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Solution

The fourth proportional to 746,131.72, 1,029,662.02 and 406,600.04 is: 561,108.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,131.72 : 1,029,662.02 = 406,600.04 : x
  2. Step 2: Convert to fraction form
    746,131.72/1,029,662.02 = 406,600.04/x
  3. Step 3: Cross multiply
    746,131.72x = 1,029,662.02 × 406,600.04
  4. Step 4: Simplify right side
    746,131.72x = 418,660,618,518.48
  5. Step 5: Solve for x
    x = 418,660,618,518.48/746,131.72
  6. Step 6: Final answer
    x = 561,108.19

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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.