Home / 820,544.32-1,132,249.62-457,988.32

Finding the Fourth Proportional to 820,544.32, 1,132,249.62 and 457,988.32

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Solution

The fourth proportional to 820,544.32, 1,132,249.62 and 457,988.32 is: 631,967.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    820,544.32 : 1,132,249.62 = 457,988.32 : x
  2. Step 2: Convert to fraction form
    820,544.32/1,132,249.62 = 457,988.32/x
  3. Step 3: Cross multiply
    820,544.32x = 1,132,249.62 × 457,988.32
  4. Step 4: Simplify right side
    820,544.32x = 518,557,101,284.44
  5. Step 5: Solve for x
    x = 518,557,101,284.44/820,544.32
  6. Step 6: Final answer
    x = 631,967.21

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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.