Home / 888,725.86-1,333,226.99-289,547.39

Finding the Fourth Proportional to 888,725.86, 1,333,226.99 and 289,547.39

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Solution

The fourth proportional to 888,725.86, 1,333,226.99 and 289,547.39 is: 434,366.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    888,725.86 : 1,333,226.99 = 289,547.39 : x
  2. Step 2: Convert to fraction form
    888,725.86/1,333,226.99 = 289,547.39/x
  3. Step 3: Cross multiply
    888,725.86x = 1,333,226.99 × 289,547.39
  4. Step 4: Simplify right side
    888,725.86x = 386,032,399,288.99
  5. Step 5: Solve for x
    x = 386,032,399,288.99/888,725.86
  6. Step 6: Final answer
    x = 434,366.12

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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.