Home / 907,549.50-1,252,370.74-499,571.64

Finding the Fourth Proportional to 907,549.50, 1,252,370.74 and 499,571.64

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Solution

The fourth proportional to 907,549.50, 1,252,370.74 and 499,571.64 is: 689,382.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    907,549.50 : 1,252,370.74 = 499,571.64 : x
  2. Step 2: Convert to fraction form
    907,549.50/1,252,370.74 = 499,571.64/x
  3. Step 3: Cross multiply
    907,549.50x = 1,252,370.74 × 499,571.64
  4. Step 4: Simplify right side
    907,549.50x = 625,648,904,469.81
  5. Step 5: Solve for x
    x = 625,648,904,469.81/907,549.50
  6. Step 6: Final answer
    x = 689,382.68

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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.