Home / 609,581.13-841,632.99-380,487.39

Finding the Fourth Proportional to 609,581.13, 841,632.99 and 380,487.39

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Solution

The fourth proportional to 609,581.13, 841,632.99 and 380,487.39 is: 525,329.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,581.13 : 841,632.99 = 380,487.39 : x
  2. Step 2: Convert to fraction form
    609,581.13/841,632.99 = 380,487.39/x
  3. Step 3: Cross multiply
    609,581.13x = 841,632.99 × 380,487.39
  4. Step 4: Simplify right side
    609,581.13x = 320,230,739,703.00
  5. Step 5: Solve for x
    x = 320,230,739,703.00/609,581.13
  6. Step 6: Final answer
    x = 525,329.15

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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.