Home / 757,172.88-1,044,899.46-434,945.40

Finding the Fourth Proportional to 757,172.88, 1,044,899.46 and 434,945.40

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Solution

The fourth proportional to 757,172.88, 1,044,899.46 and 434,945.40 is: 600,225.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    757,172.88 : 1,044,899.46 = 434,945.40 : x
  2. Step 2: Convert to fraction form
    757,172.88/1,044,899.46 = 434,945.40/x
  3. Step 3: Cross multiply
    757,172.88x = 1,044,899.46 × 434,945.40
  4. Step 4: Simplify right side
    757,172.88x = 454,474,213,589.48
  5. Step 5: Solve for x
    x = 454,474,213,589.48/757,172.88
  6. Step 6: Final answer
    x = 600,225.16

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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.