Home / 802,472.84-1,107,405.30-439,917.32

Finding the Fourth Proportional to 802,472.84, 1,107,405.30 and 439,917.32

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Solution

The fourth proportional to 802,472.84, 1,107,405.30 and 439,917.32 is: 607,081.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    802,472.84 : 1,107,405.30 = 439,917.32 : x
  2. Step 2: Convert to fraction form
    802,472.84/1,107,405.30 = 439,917.32/x
  3. Step 3: Cross multiply
    802,472.84x = 1,107,405.30 × 439,917.32
  4. Step 4: Simplify right side
    802,472.84x = 487,166,771,729.80
  5. Step 5: Solve for x
    x = 487,166,771,729.80/802,472.84
  6. Step 6: Final answer
    x = 607,081.94

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.