Home / 907,443.66-1,252,262.07-499,536.78

Finding the Fourth Proportional to 907,443.66, 1,252,262.07 and 499,536.78

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Solution

The fourth proportional to 907,443.66, 1,252,262.07 and 499,536.78 is: 689,355.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    907,443.66 : 1,252,262.07 = 499,536.78 : x
  2. Step 2: Convert to fraction form
    907,443.66/1,252,262.07 = 499,536.78/x
  3. Step 3: Cross multiply
    907,443.66x = 1,252,262.07 × 499,536.78
  4. Step 4: Simplify right side
    907,443.66x = 625,550,962,163.94
  5. Step 5: Solve for x
    x = 625,550,962,163.94/907,443.66
  6. Step 6: Final answer
    x = 689,355.15

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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.