Home / 907,736.05-1,252,626.17-499,760.43

Finding the Fourth Proportional to 907,736.05, 1,252,626.17 and 499,760.43

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Solution

The fourth proportional to 907,736.05, 1,252,626.17 and 499,760.43 is: 689,642.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    907,736.05 : 1,252,626.17 = 499,760.43 : x
  2. Step 2: Convert to fraction form
    907,736.05/1,252,626.17 = 499,760.43/x
  3. Step 3: Cross multiply
    907,736.05x = 1,252,626.17 × 499,760.43
  4. Step 4: Simplify right side
    907,736.05x = 626,012,993,348.45
  5. Step 5: Solve for x
    x = 626,012,993,348.45/907,736.05
  6. Step 6: Final answer
    x = 689,642.10

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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.