Home / 450,620.02-621,813.09-269,295.85

Finding the Fourth Proportional to 450,620.02, 621,813.09 and 269,295.85

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Solution

The fourth proportional to 450,620.02, 621,813.09 and 269,295.85 is: 371,602.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,620.02 : 621,813.09 = 269,295.85 : x
  2. Step 2: Convert to fraction form
    450,620.02/621,813.09 = 269,295.85/x
  3. Step 3: Cross multiply
    450,620.02x = 621,813.09 × 269,295.85
  4. Step 4: Simplify right side
    450,620.02x = 167,451,684,612.68
  5. Step 5: Solve for x
    x = 167,451,684,612.68/450,620.02
  6. Step 6: Final answer
    x = 371,602.85

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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.