Home / 817,118.48-1,225,710.66-284,693.42

Finding the Fourth Proportional to 817,118.48, 1,225,710.66 and 284,693.42

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Solution

The fourth proportional to 817,118.48, 1,225,710.66 and 284,693.42 is: 427,051.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    817,118.48 : 1,225,710.66 = 284,693.42 : x
  2. Step 2: Convert to fraction form
    817,118.48/1,225,710.66 = 284,693.42/x
  3. Step 3: Cross multiply
    817,118.48x = 1,225,710.66 × 284,693.42
  4. Step 4: Simplify right side
    817,118.48x = 348,951,759,725.86
  5. Step 5: Solve for x
    x = 348,951,759,725.86/817,118.48
  6. Step 6: Final answer
    x = 427,051.61

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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.