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Finding the Fourth Proportional to 672,310.80, 927,788.93 and 370,504.80

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Solution

The fourth proportional to 672,310.80, 927,788.93 and 370,504.80 is: 511,296.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,310.80 : 927,788.93 = 370,504.80 : x
  2. Step 2: Convert to fraction form
    672,310.80/927,788.93 = 370,504.80/x
  3. Step 3: Cross multiply
    672,310.80x = 927,788.93 × 370,504.80
  4. Step 4: Simplify right side
    672,310.80x = 343,750,256,185.09
  5. Step 5: Solve for x
    x = 343,750,256,185.09/672,310.80
  6. Step 6: Final answer
    x = 511,296.64

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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.