Home / 450,748.72-621,850.93-269,357.12

Finding the Fourth Proportional to 450,748.72, 621,850.93 and 269,357.12

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Solution

The fourth proportional to 450,748.72, 621,850.93 and 269,357.12 is: 371,603.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,748.72 : 621,850.93 = 269,357.12 : x
  2. Step 2: Convert to fraction form
    450,748.72/621,850.93 = 269,357.12/x
  3. Step 3: Cross multiply
    450,748.72x = 621,850.93 × 269,357.12
  4. Step 4: Simplify right side
    450,748.72x = 167,499,975,574.12
  5. Step 5: Solve for x
    x = 167,499,975,574.12/450,748.72
  6. Step 6: Final answer
    x = 371,603.89

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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.