Home / 710,204.47-980,076.33-387,914.79

Finding the Fourth Proportional to 710,204.47, 980,076.33 and 387,914.79

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Solution

The fourth proportional to 710,204.47, 980,076.33 and 387,914.79 is: 535,319.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    710,204.47 : 980,076.33 = 387,914.79 : x
  2. Step 2: Convert to fraction form
    710,204.47/980,076.33 = 387,914.79/x
  3. Step 3: Cross multiply
    710,204.47x = 980,076.33 × 387,914.79
  4. Step 4: Simplify right side
    710,204.47x = 380,186,103,735.92
  5. Step 5: Solve for x
    x = 380,186,103,735.92/710,204.47
  6. Step 6: Final answer
    x = 535,319.22

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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.