Home / 740,927.18-1,022,473.86-401,393

Finding the Fourth Proportional to 740,927.18, 1,022,473.86 and 401,393

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Solution

The fourth proportional to 740,927.18, 1,022,473.86 and 401,393 is: 553,919.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,927.18 : 1,022,473.86 = 401,393 : x
  2. Step 2: Convert to fraction form
    740,927.18/1,022,473.86 = 401,393/x
  3. Step 3: Cross multiply
    740,927.18x = 1,022,473.86 × 401,393
  4. Step 4: Simplify right side
    740,927.18x = 410,413,850,086.98
  5. Step 5: Solve for x
    x = 410,413,850,086.98/740,927.18
  6. Step 6: Final answer
    x = 553,919.28

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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.