Home / 754,041.57-1,040,420.34-448,226.07

Finding the Fourth Proportional to 754,041.57, 1,040,420.34 and 448,226.07

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Solution

The fourth proportional to 754,041.57, 1,040,420.34 and 448,226.07 is: 618,458.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    754,041.57 : 1,040,420.34 = 448,226.07 : x
  2. Step 2: Convert to fraction form
    754,041.57/1,040,420.34 = 448,226.07/x
  3. Step 3: Cross multiply
    754,041.57x = 1,040,420.34 × 448,226.07
  4. Step 4: Simplify right side
    754,041.57x = 466,343,520,146.26
  5. Step 5: Solve for x
    x = 466,343,520,146.26/754,041.57
  6. Step 6: Final answer
    x = 618,458.64

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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.