Home / 808,537.10-1,212,805.65-743,218.70

Finding the Fourth Proportional to 808,537.10, 1,212,805.65 and 743,218.70

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Solution

The fourth proportional to 808,537.10, 1,212,805.65 and 743,218.70 is: 1,114,828.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,537.10 : 1,212,805.65 = 743,218.70 : x
  2. Step 2: Convert to fraction form
    808,537.10/1,212,805.65 = 743,218.70/x
  3. Step 3: Cross multiply
    808,537.10x = 1,212,805.65 × 743,218.70
  4. Step 4: Simplify right side
    808,537.10x = 901,379,838,545.66
  5. Step 5: Solve for x
    x = 901,379,838,545.66/808,537.10
  6. Step 6: Final answer
    x = 1,114,828.05

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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.