Home / 922,547.58-1,384,008.17-390,067.75

Finding the Fourth Proportional to 922,547.58, 1,384,008.17 and 390,067.75

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Solution

The fourth proportional to 922,547.58, 1,384,008.17 and 390,067.75 is: 585,180.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    922,547.58 : 1,384,008.17 = 390,067.75 : x
  2. Step 2: Convert to fraction form
    922,547.58/1,384,008.17 = 390,067.75/x
  3. Step 3: Cross multiply
    922,547.58x = 1,384,008.17 × 390,067.75
  4. Step 4: Simplify right side
    922,547.58x = 539,856,952,853.52
  5. Step 5: Solve for x
    x = 539,856,952,853.52/922,547.58
  6. Step 6: Final answer
    x = 585,180.61

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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.