Home / 810,947.31-1,119,062.09-448,350

Finding the Fourth Proportional to 810,947.31, 1,119,062.09 and 448,350

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Solution

The fourth proportional to 810,947.31, 1,119,062.09 and 448,350 is: 618,698.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    810,947.31 : 1,119,062.09 = 448,350 : x
  2. Step 2: Convert to fraction form
    810,947.31/1,119,062.09 = 448,350/x
  3. Step 3: Cross multiply
    810,947.31x = 1,119,062.09 × 448,350
  4. Step 4: Simplify right side
    810,947.31x = 501,731,485,809.75
  5. Step 5: Solve for x
    x = 501,731,485,809.75/810,947.31
  6. Step 6: Final answer
    x = 618,698.01

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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.