Home / 615,353.28-849,571.92-471,837.60

Finding the Fourth Proportional to 615,353.28, 849,571.92 and 471,837.60

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Solution

The fourth proportional to 615,353.28, 849,571.92 and 471,837.60 is: 651,430.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,353.28 : 849,571.92 = 471,837.60 : x
  2. Step 2: Convert to fraction form
    615,353.28/849,571.92 = 471,837.60/x
  3. Step 3: Cross multiply
    615,353.28x = 849,571.92 × 471,837.60
  4. Step 4: Simplify right side
    615,353.28x = 400,859,975,760.19
  5. Step 5: Solve for x
    x = 400,859,975,760.19/615,353.28
  6. Step 6: Final answer
    x = 651,430.63

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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.