Home / 757,129.68-1,044,831.96-417,600.36

Finding the Fourth Proportional to 757,129.68, 1,044,831.96 and 417,600.36

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Solution

The fourth proportional to 757,129.68, 1,044,831.96 and 417,600.36 is: 576,284.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    757,129.68 : 1,044,831.96 = 417,600.36 : x
  2. Step 2: Convert to fraction form
    757,129.68/1,044,831.96 = 417,600.36/x
  3. Step 3: Cross multiply
    757,129.68x = 1,044,831.96 × 417,600.36
  4. Step 4: Simplify right side
    757,129.68x = 436,322,202,635.51
  5. Step 5: Solve for x
    x = 436,322,202,635.51/757,129.68
  6. Step 6: Final answer
    x = 576,284.64

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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.