Home / 808,008.41-1,115,054.98-445,424.32

Finding the Fourth Proportional to 808,008.41, 1,115,054.98 and 445,424.32

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Solution

The fourth proportional to 808,008.41, 1,115,054.98 and 445,424.32 is: 614,687.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,008.41 : 1,115,054.98 = 445,424.32 : x
  2. Step 2: Convert to fraction form
    808,008.41/1,115,054.98 = 445,424.32/x
  3. Step 3: Cross multiply
    808,008.41x = 1,115,054.98 × 445,424.32
  4. Step 4: Simplify right side
    808,008.41x = 496,672,600,237.19
  5. Step 5: Solve for x
    x = 496,672,600,237.19/808,008.41
  6. Step 6: Final answer
    x = 614,687.41

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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.