Home / 861,829.88-1,292,991.46-293,336.24

Finding the Fourth Proportional to 861,829.88, 1,292,991.46 and 293,336.24

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Solution

The fourth proportional to 861,829.88, 1,292,991.46 and 293,336.24 is: 440,088.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    861,829.88 : 1,292,991.46 = 293,336.24 : x
  2. Step 2: Convert to fraction form
    861,829.88/1,292,991.46 = 293,336.24/x
  3. Step 3: Cross multiply
    861,829.88x = 1,292,991.46 × 293,336.24
  4. Step 4: Simplify right side
    861,829.88x = 379,281,246,030.21
  5. Step 5: Solve for x
    x = 379,281,246,030.21/861,829.88
  6. Step 6: Final answer
    x = 440,088.30

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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.