Home / 817,620.48-1,226,594.75-284,998.50

Finding the Fourth Proportional to 817,620.48, 1,226,594.75 and 284,998.50

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Solution

The fourth proportional to 817,620.48, 1,226,594.75 and 284,998.50 is: 427,554.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    817,620.48 : 1,226,594.75 = 284,998.50 : x
  2. Step 2: Convert to fraction form
    817,620.48/1,226,594.75 = 284,998.50/x
  3. Step 3: Cross multiply
    817,620.48x = 1,226,594.75 × 284,998.50
  4. Step 4: Simplify right side
    817,620.48x = 349,577,662,432.88
  5. Step 5: Solve for x
    x = 349,577,662,432.88/817,620.48
  6. Step 6: Final answer
    x = 427,554.92

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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.