Home / 802,089.50-1,106,883.51-479,813.18

Finding the Fourth Proportional to 802,089.50, 1,106,883.51 and 479,813.18

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Solution

The fourth proportional to 802,089.50, 1,106,883.51 and 479,813.18 is: 662,142.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    802,089.50 : 1,106,883.51 = 479,813.18 : x
  2. Step 2: Convert to fraction form
    802,089.50/1,106,883.51 = 479,813.18/x
  3. Step 3: Cross multiply
    802,089.50x = 1,106,883.51 × 479,813.18
  4. Step 4: Simplify right side
    802,089.50x = 531,097,296,822.66
  5. Step 5: Solve for x
    x = 531,097,296,822.66/802,089.50
  6. Step 6: Final answer
    x = 662,142.19

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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.