Home / 450,420.30-621,518.73-269,093.82

Finding the Fourth Proportional to 450,420.30, 621,518.73 and 269,093.82

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Solution

The fourth proportional to 450,420.30, 621,518.73 and 269,093.82 is: 371,312.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,420.30 : 621,518.73 = 269,093.82 : x
  2. Step 2: Convert to fraction form
    450,420.30/621,518.73 = 269,093.82/x
  3. Step 3: Cross multiply
    450,420.30x = 621,518.73 × 269,093.82
  4. Step 4: Simplify right side
    450,420.30x = 167,246,849,257.25
  5. Step 5: Solve for x
    x = 167,246,849,257.25/450,420.30
  6. Step 6: Final answer
    x = 371,312.86

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1.5x scale

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.