Home / 850,811.84-1,275,900-282,088.64

Finding the Fourth Proportional to 850,811.84, 1,275,900 and 282,088.64

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Solution

The fourth proportional to 850,811.84, 1,275,900 and 282,088.64 is: 423,027.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    850,811.84 : 1,275,900 = 282,088.64 : x
  2. Step 2: Convert to fraction form
    850,811.84/1,275,900 = 282,088.64/x
  3. Step 3: Cross multiply
    850,811.84x = 1,275,900 × 282,088.64
  4. Step 4: Simplify right side
    850,811.84x = 359,916,895,776
  5. Step 5: Solve for x
    x = 359,916,895,776/850,811.84
  6. Step 6: Final answer
    x = 423,027.61

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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.