Home / 820,314.18-1,132,032.24-457,716.06

Finding the Fourth Proportional to 820,314.18, 1,132,032.24 and 457,716.06

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Solution

The fourth proportional to 820,314.18, 1,132,032.24 and 457,716.06 is: 631,647.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    820,314.18 : 1,132,032.24 = 457,716.06 : x
  2. Step 2: Convert to fraction form
    820,314.18/1,132,032.24 = 457,716.06/x
  3. Step 3: Cross multiply
    820,314.18x = 1,132,032.24 × 457,716.06
  4. Step 4: Simplify right side
    820,314.18x = 518,149,336,685.77
  5. Step 5: Solve for x
    x = 518,149,336,685.77/820,314.18
  6. Step 6: Final answer
    x = 631,647.42

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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.