Home / 817,020.98-1,225,564.44-284,595.86

Finding the Fourth Proportional to 817,020.98, 1,225,564.44 and 284,595.86

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Solution

The fourth proportional to 817,020.98, 1,225,564.44 and 284,595.86 is: 426,905.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    817,020.98 : 1,225,564.44 = 284,595.86 : x
  2. Step 2: Convert to fraction form
    817,020.98/1,225,564.44 = 284,595.86/x
  3. Step 3: Cross multiply
    817,020.98x = 1,225,564.44 × 284,595.86
  4. Step 4: Simplify right side
    817,020.98x = 348,790,565,787.22
  5. Step 5: Solve for x
    x = 348,790,565,787.22/817,020.98
  6. Step 6: Final answer
    x = 426,905.27

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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.