Home / 887,067.02-1,331,547.41-381,878.12

Finding the Fourth Proportional to 887,067.02, 1,331,547.41 and 381,878.12

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Solution

The fourth proportional to 887,067.02, 1,331,547.41 and 381,878.12 is: 573,224.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,067.02 : 1,331,547.41 = 381,878.12 : x
  2. Step 2: Convert to fraction form
    887,067.02/1,331,547.41 = 381,878.12/x
  3. Step 3: Cross multiply
    887,067.02x = 1,331,547.41 × 381,878.12
  4. Step 4: Simplify right side
    887,067.02x = 508,488,815,918.63
  5. Step 5: Solve for x
    x = 508,488,815,918.63/887,067.02
  6. Step 6: Final answer
    x = 573,224.80

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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.