Home / 540,024.38-745,219.21-298,301.75

Finding the Fourth Proportional to 540,024.38, 745,219.21 and 298,301.75

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Solution

The fourth proportional to 540,024.38, 745,219.21 and 298,301.75 is: 411,648.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,024.38 : 745,219.21 = 298,301.75 : x
  2. Step 2: Convert to fraction form
    540,024.38/745,219.21 = 298,301.75/x
  3. Step 3: Cross multiply
    540,024.38x = 745,219.21 × 298,301.75
  4. Step 4: Simplify right side
    540,024.38x = 222,300,198,389.49
  5. Step 5: Solve for x
    x = 222,300,198,389.49/540,024.38
  6. Step 6: Final answer
    x = 411,648.45

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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.