Home / 810,949.70-1,119,065.37-448,352.42

Finding the Fourth Proportional to 810,949.70, 1,119,065.37 and 448,352.42

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Solution

The fourth proportional to 810,949.70, 1,119,065.37 and 448,352.42 is: 618,701.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    810,949.70 : 1,119,065.37 = 448,352.42 : x
  2. Step 2: Convert to fraction form
    810,949.70/1,119,065.37 = 448,352.42/x
  3. Step 3: Cross multiply
    810,949.70x = 1,119,065.37 × 448,352.42
  4. Step 4: Simplify right side
    810,949.70x = 501,735,666,777.70
  5. Step 5: Solve for x
    x = 501,735,666,777.70/810,949.70
  6. Step 6: Final answer
    x = 618,701.34

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1.5x scale

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.