Home / 497,189.13-685,827.95-351,831.39

Finding the Fourth Proportional to 497,189.13, 685,827.95 and 351,831.39

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Solution

The fourth proportional to 497,189.13, 685,827.95 and 351,831.39 is: 485,319.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,189.13 : 685,827.95 = 351,831.39 : x
  2. Step 2: Convert to fraction form
    497,189.13/685,827.95 = 351,831.39/x
  3. Step 3: Cross multiply
    497,189.13x = 685,827.95 × 351,831.39
  4. Step 4: Simplify right side
    497,189.13x = 241,295,799,190.19
  5. Step 5: Solve for x
    x = 241,295,799,190.19/497,189.13
  6. Step 6: Final answer
    x = 485,319.94

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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.