Home / 754,853.21-1,041,300.36-448,711.83

Finding the Fourth Proportional to 754,853.21, 1,041,300.36 and 448,711.83

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Solution

The fourth proportional to 754,853.21, 1,041,300.36 and 448,711.83 is: 618,986.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    754,853.21 : 1,041,300.36 = 448,711.83 : x
  2. Step 2: Convert to fraction form
    754,853.21/1,041,300.36 = 448,711.83/x
  3. Step 3: Cross multiply
    754,853.21x = 1,041,300.36 × 448,711.83
  4. Step 4: Simplify right side
    754,853.21x = 467,243,790,115.26
  5. Step 5: Solve for x
    x = 467,243,790,115.26/754,853.21
  6. Step 6: Final answer
    x = 618,986.30

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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.