Home / 739,451.25-1,020,442.73-399,919.50

Finding the Fourth Proportional to 739,451.25, 1,020,442.73 and 399,919.50

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Solution

The fourth proportional to 739,451.25, 1,020,442.73 and 399,919.50 is: 551,888.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,451.25 : 1,020,442.73 = 399,919.50 : x
  2. Step 2: Convert to fraction form
    739,451.25/1,020,442.73 = 399,919.50/x
  3. Step 3: Cross multiply
    739,451.25x = 1,020,442.73 × 399,919.50
  4. Step 4: Simplify right side
    739,451.25x = 408,094,944,360.64
  5. Step 5: Solve for x
    x = 408,094,944,360.64/739,451.25
  6. Step 6: Final answer
    x = 551,888.91

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.