Home / 739,165.33-1,020,049.70-399,633.58

Finding the Fourth Proportional to 739,165.33, 1,020,049.70 and 399,633.58

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Solution

The fourth proportional to 739,165.33, 1,020,049.70 and 399,633.58 is: 551,495.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,165.33 : 1,020,049.70 = 399,633.58 : x
  2. Step 2: Convert to fraction form
    739,165.33/1,020,049.70 = 399,633.58/x
  3. Step 3: Cross multiply
    739,165.33x = 1,020,049.70 × 399,633.58
  4. Step 4: Simplify right side
    739,165.33x = 407,646,113,388.93
  5. Step 5: Solve for x
    x = 407,646,113,388.93/739,165.33
  6. Step 6: Final answer
    x = 551,495.18

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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.