Home / 487,341.06-731,177.54-262,723.20

Finding the Fourth Proportional to 487,341.06, 731,177.54 and 262,723.20

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Solution

The fourth proportional to 487,341.06, 731,177.54 and 262,723.20 is: 394,174.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,341.06 : 731,177.54 = 262,723.20 : x
  2. Step 2: Convert to fraction form
    487,341.06/731,177.54 = 262,723.20/x
  3. Step 3: Cross multiply
    487,341.06x = 731,177.54 × 262,723.20
  4. Step 4: Simplify right side
    487,341.06x = 192,097,303,076.93
  5. Step 5: Solve for x
    x = 192,097,303,076.93/487,341.06
  6. Step 6: Final answer
    x = 394,174.26

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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.