Home / 448,871-619,454.94-247,679.96

Finding the Fourth Proportional to 448,871, 619,454.94 and 247,679.96

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Solution

The fourth proportional to 448,871, 619,454.94 and 247,679.96 is: 341,805.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,871 : 619,454.94 = 247,679.96 : x
  2. Step 2: Convert to fraction form
    448,871/619,454.94 = 247,679.96/x
  3. Step 3: Cross multiply
    448,871x = 619,454.94 × 247,679.96
  4. Step 4: Simplify right side
    448,871x = 153,426,574,761.00
  5. Step 5: Solve for x
    x = 153,426,574,761.00/448,871
  6. Step 6: Final answer
    x = 341,805.50

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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.