Home / 802,914.45-1,107,919.46-458,772.66

Finding the Fourth Proportional to 802,914.45, 1,107,919.46 and 458,772.66

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Solution

The fourth proportional to 802,914.45, 1,107,919.46 and 458,772.66 is: 633,047.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    802,914.45 : 1,107,919.46 = 458,772.66 : x
  2. Step 2: Convert to fraction form
    802,914.45/1,107,919.46 = 458,772.66/x
  3. Step 3: Cross multiply
    802,914.45x = 1,107,919.46 × 458,772.66
  4. Step 4: Simplify right side
    802,914.45x = 508,283,159,590.80
  5. Step 5: Solve for x
    x = 508,283,159,590.80/802,914.45
  6. Step 6: Final answer
    x = 633,047.72

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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.