Home / 823,944.74-1,236,587.56-424,699.70

Finding the Fourth Proportional to 823,944.74, 1,236,587.56 and 424,699.70

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Solution

The fourth proportional to 823,944.74, 1,236,587.56 and 424,699.70 is: 637,395.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    823,944.74 : 1,236,587.56 = 424,699.70 : x
  2. Step 2: Convert to fraction form
    823,944.74/1,236,587.56 = 424,699.70/x
  3. Step 3: Cross multiply
    823,944.74x = 1,236,587.56 × 424,699.70
  4. Step 4: Simplify right side
    823,944.74x = 525,178,365,755.73
  5. Step 5: Solve for x
    x = 525,178,365,755.73/823,944.74
  6. Step 6: Final answer
    x = 637,395.13

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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.