Home / 450,619.02-621,811.72-269,294.85

Finding the Fourth Proportional to 450,619.02, 621,811.72 and 269,294.85

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Solution

The fourth proportional to 450,619.02, 621,811.72 and 269,294.85 is: 371,601.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,619.02 : 621,811.72 = 269,294.85 : x
  2. Step 2: Convert to fraction form
    450,619.02/621,811.72 = 269,294.85/x
  3. Step 3: Cross multiply
    450,619.02x = 621,811.72 × 269,294.85
  4. Step 4: Simplify right side
    450,619.02x = 167,450,692,519.17
  5. Step 5: Solve for x
    x = 167,450,692,519.17/450,619.02
  6. Step 6: Final answer
    x = 371,601.48

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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.