Home / 841,150.27-1,260,979.09-308,548.79

Finding the Fourth Proportional to 841,150.27, 1,260,979.09 and 308,548.79

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Solution

The fourth proportional to 841,150.27, 1,260,979.09 and 308,548.79 is: 462,549.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    841,150.27 : 1,260,979.09 = 308,548.79 : x
  2. Step 2: Convert to fraction form
    841,150.27/1,260,979.09 = 308,548.79/x
  3. Step 3: Cross multiply
    841,150.27x = 1,260,979.09 × 308,548.79
  4. Step 4: Simplify right side
    841,150.27x = 389,073,578,915.80
  5. Step 5: Solve for x
    x = 389,073,578,915.80/841,150.27
  6. Step 6: Final answer
    x = 462,549.43

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1.5x scale

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.