Home / 390,497.14-585,076.38-262,173.03

Finding the Fourth Proportional to 390,497.14, 585,076.38 and 262,173.03

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Solution

The fourth proportional to 390,497.14, 585,076.38 and 262,173.03 is: 392,810.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    390,497.14 : 585,076.38 = 262,173.03 : x
  2. Step 2: Convert to fraction form
    390,497.14/585,076.38 = 262,173.03/x
  3. Step 3: Cross multiply
    390,497.14x = 585,076.38 × 262,173.03
  4. Step 4: Simplify right side
    390,497.14x = 153,391,247,326.03
  5. Step 5: Solve for x
    x = 153,391,247,326.03/390,497.14
  6. Step 6: Final answer
    x = 392,810.17

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.