Home / 880,615.26-1,215,228.50-518,062.47

Finding the Fourth Proportional to 880,615.26, 1,215,228.50 and 518,062.47

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Solution

The fourth proportional to 880,615.26, 1,215,228.50 and 518,062.47 is: 714,914.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,615.26 : 1,215,228.50 = 518,062.47 : x
  2. Step 2: Convert to fraction form
    880,615.26/1,215,228.50 = 518,062.47/x
  3. Step 3: Cross multiply
    880,615.26x = 1,215,228.50 × 518,062.47
  4. Step 4: Simplify right side
    880,615.26x = 629,564,273,119.71
  5. Step 5: Solve for x
    x = 629,564,273,119.71/880,615.26
  6. Step 6: Final answer
    x = 714,914.11

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1.5x scale

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.