Home / 918,742.64-1,376,914.68-469,083.29

Finding the Fourth Proportional to 918,742.64, 1,376,914.68 and 469,083.29

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Solution

The fourth proportional to 918,742.64, 1,376,914.68 and 469,083.29 is: 703,012.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    918,742.64 : 1,376,914.68 = 469,083.29 : x
  2. Step 2: Convert to fraction form
    918,742.64/1,376,914.68 = 469,083.29/x
  3. Step 3: Cross multiply
    918,742.64x = 1,376,914.68 × 469,083.29
  4. Step 4: Simplify right side
    918,742.64x = 645,887,661,259.12
  5. Step 5: Solve for x
    x = 645,887,661,259.12/918,742.64
  6. Step 6: Final answer
    x = 703,012.61

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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.