Home / 776,285.12-1,071,262.50-436,752.56

Finding the Fourth Proportional to 776,285.12, 1,071,262.50 and 436,752.56

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Solution

The fourth proportional to 776,285.12, 1,071,262.50 and 436,752.56 is: 602,712.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    776,285.12 : 1,071,262.50 = 436,752.56 : x
  2. Step 2: Convert to fraction form
    776,285.12/1,071,262.50 = 436,752.56/x
  3. Step 3: Cross multiply
    776,285.12x = 1,071,262.50 × 436,752.56
  4. Step 4: Simplify right side
    776,285.12x = 467,876,640,347.33
  5. Step 5: Solve for x
    x = 467,876,640,347.33/776,285.12
  6. Step 6: Final answer
    x = 602,712.36

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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.