Home / 645,572.49-890,998.14-373,593.52

Finding the Fourth Proportional to 645,572.49, 890,998.14 and 373,593.52

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Solution

The fourth proportional to 645,572.49, 890,998.14 and 373,593.52 is: 515,621.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    645,572.49 : 890,998.14 = 373,593.52 : x
  2. Step 2: Convert to fraction form
    645,572.49/890,998.14 = 373,593.52/x
  3. Step 3: Cross multiply
    645,572.49x = 890,998.14 × 373,593.52
  4. Step 4: Simplify right side
    645,572.49x = 332,871,131,436.05
  5. Step 5: Solve for x
    x = 332,871,131,436.05/645,572.49
  6. Step 6: Final answer
    x = 515,621.62

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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.