Home / 654,301.34-902,983.38-399,700.52

Finding the Fourth Proportional to 654,301.34, 902,983.38 and 399,700.52

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Solution

The fourth proportional to 654,301.34, 902,983.38 and 399,700.52 is: 551,615.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,301.34 : 902,983.38 = 399,700.52 : x
  2. Step 2: Convert to fraction form
    654,301.34/902,983.38 = 399,700.52/x
  3. Step 3: Cross multiply
    654,301.34x = 902,983.38 × 399,700.52
  4. Step 4: Simplify right side
    654,301.34x = 360,922,926,537.36
  5. Step 5: Solve for x
    x = 360,922,926,537.36/654,301.34
  6. Step 6: Final answer
    x = 551,615.75

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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.