Home / 449,974.56-620,966.01-246,038.66

Finding the Fourth Proportional to 449,974.56, 620,966.01 and 246,038.66

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Solution

The fourth proportional to 449,974.56, 620,966.01 and 246,038.66 is: 339,533.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,974.56 : 620,966.01 = 246,038.66 : x
  2. Step 2: Convert to fraction form
    449,974.56/620,966.01 = 246,038.66/x
  3. Step 3: Cross multiply
    449,974.56x = 620,966.01 × 246,038.66
  4. Step 4: Simplify right side
    449,974.56x = 152,781,645,005.95
  5. Step 5: Solve for x
    x = 152,781,645,005.95/449,974.56
  6. Step 6: Final answer
    x = 339,533.96

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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.