Home / 757,761.34-1,045,720.52-447,674.12

Finding the Fourth Proportional to 757,761.34, 1,045,720.52 and 447,674.12

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Solution

The fourth proportional to 757,761.34, 1,045,720.52 and 447,674.12 is: 617,796.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    757,761.34 : 1,045,720.52 = 447,674.12 : x
  2. Step 2: Convert to fraction form
    757,761.34/1,045,720.52 = 447,674.12/x
  3. Step 3: Cross multiply
    757,761.34x = 1,045,720.52 × 447,674.12
  4. Step 4: Simplify right side
    757,761.34x = 468,142,017,290.43
  5. Step 5: Solve for x
    x = 468,142,017,290.43/757,761.34
  6. Step 6: Final answer
    x = 617,796.12

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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.