Home / 754,172.39-1,041,093.37-448,347.78

Finding the Fourth Proportional to 754,172.39, 1,041,093.37 and 448,347.78

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Solution

The fourth proportional to 754,172.39, 1,041,093.37 and 448,347.78 is: 618,919.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    754,172.39 : 1,041,093.37 = 448,347.78 : x
  2. Step 2: Convert to fraction form
    754,172.39/1,041,093.37 = 448,347.78/x
  3. Step 3: Cross multiply
    754,172.39x = 1,041,093.37 × 448,347.78
  4. Step 4: Simplify right side
    754,172.39x = 466,771,896,006.75
  5. Step 5: Solve for x
    x = 466,771,896,006.75/754,172.39
  6. Step 6: Final answer
    x = 618,919.37

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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.