Home / 907,328.79-1,252,118.25-499,471.65

Finding the Fourth Proportional to 907,328.79, 1,252,118.25 and 499,471.65

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Solution

The fourth proportional to 907,328.79, 1,252,118.25 and 499,471.65 is: 689,273.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    907,328.79 : 1,252,118.25 = 499,471.65 : x
  2. Step 2: Convert to fraction form
    907,328.79/1,252,118.25 = 499,471.65/x
  3. Step 3: Cross multiply
    907,328.79x = 1,252,118.25 × 499,471.65
  4. Step 4: Simplify right side
    907,328.79x = 625,397,568,322.61
  5. Step 5: Solve for x
    x = 625,397,568,322.61/907,328.79
  6. Step 6: Final answer
    x = 689,273.37

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Double scale
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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.