Home / 450,699.42-621,964.16-269,402.56

Finding the Fourth Proportional to 450,699.42, 621,964.16 and 269,402.56

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Solution

The fourth proportional to 450,699.42, 621,964.16 and 269,402.56 is: 371,774.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,699.42 : 621,964.16 = 269,402.56 : x
  2. Step 2: Convert to fraction form
    450,699.42/621,964.16 = 269,402.56/x
  3. Step 3: Cross multiply
    450,699.42x = 621,964.16 × 269,402.56
  4. Step 4: Simplify right side
    450,699.42x = 167,558,736,932.25
  5. Step 5: Solve for x
    x = 167,558,736,932.25/450,699.42
  6. Step 6: Final answer
    x = 371,774.91

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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.