Home / 450,700.42-621,965.54-269,403.56

Finding the Fourth Proportional to 450,700.42, 621,965.54 and 269,403.56

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Solution

The fourth proportional to 450,700.42, 621,965.54 and 269,403.56 is: 371,776.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,700.42 : 621,965.54 = 269,403.56 : x
  2. Step 2: Convert to fraction form
    450,700.42/621,965.54 = 269,403.56/x
  3. Step 3: Cross multiply
    450,700.42x = 621,965.54 × 269,403.56
  4. Step 4: Simplify right side
    450,700.42x = 167,559,730,673.32
  5. Step 5: Solve for x
    x = 167,559,730,673.32/450,700.42
  6. Step 6: Final answer
    x = 371,776.29

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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.