Home / 739,166.97-1,020,050.31-399,635.22

Finding the Fourth Proportional to 739,166.97, 1,020,050.31 and 399,635.22

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Solution

The fourth proportional to 739,166.97, 1,020,050.31 and 399,635.22 is: 551,496.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,166.97 : 1,020,050.31 = 399,635.22 : x
  2. Step 2: Convert to fraction form
    739,166.97/1,020,050.31 = 399,635.22/x
  3. Step 3: Cross multiply
    739,166.97x = 1,020,050.31 × 399,635.22
  4. Step 4: Simplify right side
    739,166.97x = 407,648,029,633.96
  5. Step 5: Solve for x
    x = 407,648,029,633.96/739,166.97
  6. Step 6: Final answer
    x = 551,496.55

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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.