Home / 855,915.76-1,181,149.28-473,934.32

Finding the Fourth Proportional to 855,915.76, 1,181,149.28 and 473,934.32

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Solution

The fourth proportional to 855,915.76, 1,181,149.28 and 473,934.32 is: 654,021.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,915.76 : 1,181,149.28 = 473,934.32 : x
  2. Step 2: Convert to fraction form
    855,915.76/1,181,149.28 = 473,934.32/x
  3. Step 3: Cross multiply
    855,915.76x = 1,181,149.28 × 473,934.32
  4. Step 4: Simplify right side
    855,915.76x = 559,787,180,835.29
  5. Step 5: Solve for x
    x = 559,787,180,835.29/855,915.76
  6. Step 6: Final answer
    x = 654,021.35

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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.