Home / 887,661.15-1,331,462.57-355,039.23

Finding the Fourth Proportional to 887,661.15, 1,331,462.57 and 355,039.23

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Solution

The fourth proportional to 887,661.15, 1,331,462.57 and 355,039.23 is: 532,547.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,661.15 : 1,331,462.57 = 355,039.23 : x
  2. Step 2: Convert to fraction form
    887,661.15/1,331,462.57 = 355,039.23/x
  3. Step 3: Cross multiply
    887,661.15x = 1,331,462.57 × 355,039.23
  4. Step 4: Simplify right side
    887,661.15x = 472,721,443,851.43
  5. Step 5: Solve for x
    x = 472,721,443,851.43/887,661.15
  6. Step 6: Final answer
    x = 532,547.18

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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.