Home / 958,145.16-1,322,224.56-528,465.27

Finding the Fourth Proportional to 958,145.16, 1,322,224.56 and 528,465.27

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Solution

The fourth proportional to 958,145.16, 1,322,224.56 and 528,465.27 is: 729,273.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    958,145.16 : 1,322,224.56 = 528,465.27 : x
  2. Step 2: Convert to fraction form
    958,145.16/1,322,224.56 = 528,465.27/x
  3. Step 3: Cross multiply
    958,145.16x = 1,322,224.56 × 528,465.27
  4. Step 4: Simplify right side
    958,145.16x = 698,749,759,101.03
  5. Step 5: Solve for x
    x = 698,749,759,101.03/958,145.16
  6. Step 6: Final answer
    x = 729,273.38

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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.