Home / 385,023.51-574,715.19-339,572.79

Finding the Fourth Proportional to 385,023.51, 574,715.19 and 339,572.79

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Solution

The fourth proportional to 385,023.51, 574,715.19 and 339,572.79 is: 506,872.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,023.51 : 574,715.19 = 339,572.79 : x
  2. Step 2: Convert to fraction form
    385,023.51/574,715.19 = 339,572.79/x
  3. Step 3: Cross multiply
    385,023.51x = 574,715.19 × 339,572.79
  4. Step 4: Simplify right side
    385,023.51x = 195,157,640,523.68
  5. Step 5: Solve for x
    x = 195,157,640,523.68/385,023.51
  6. Step 6: Final answer
    x = 506,872.01

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.