Home / 739,166.33-1,020,051.08-399,634.58

Finding the Fourth Proportional to 739,166.33, 1,020,051.08 and 399,634.58

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Solution

The fourth proportional to 739,166.33, 1,020,051.08 and 399,634.58 is: 551,496.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,166.33 : 1,020,051.08 = 399,634.58 : x
  2. Step 2: Convert to fraction form
    739,166.33/1,020,051.08 = 399,634.58/x
  3. Step 3: Cross multiply
    739,166.33x = 1,020,051.08 × 399,634.58
  4. Step 4: Simplify right side
    739,166.33x = 407,647,684,934.35
  5. Step 5: Solve for x
    x = 407,647,684,934.35/739,166.33
  6. Step 6: Final answer
    x = 551,496.56

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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.