Home / 778,224.75-1,073,966.56-438,693

Finding the Fourth Proportional to 778,224.75, 1,073,966.56 and 438,693

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Solution

The fourth proportional to 778,224.75, 1,073,966.56 and 438,693 is: 605,405.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,224.75 : 1,073,966.56 = 438,693 : x
  2. Step 2: Convert to fraction form
    778,224.75/1,073,966.56 = 438,693/x
  3. Step 3: Cross multiply
    778,224.75x = 1,073,966.56 × 438,693
  4. Step 4: Simplify right side
    778,224.75x = 471,141,611,009.35
  5. Step 5: Solve for x
    x = 471,141,611,009.35/778,224.75
  6. Step 6: Final answer
    x = 605,405.59

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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.