Home / 739,824.81-1,020,848.77-449,285.28

Finding the Fourth Proportional to 739,824.81, 1,020,848.77 and 449,285.28

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Solution

The fourth proportional to 739,824.81, 1,020,848.77 and 449,285.28 is: 619,947.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,824.81 : 1,020,848.77 = 449,285.28 : x
  2. Step 2: Convert to fraction form
    739,824.81/1,020,848.77 = 449,285.28/x
  3. Step 3: Cross multiply
    739,824.81x = 1,020,848.77 × 449,285.28
  4. Step 4: Simplify right side
    739,824.81x = 458,652,325,467.11
  5. Step 5: Solve for x
    x = 458,652,325,467.11/739,824.81
  6. Step 6: Final answer
    x = 619,947.21

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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.