Home / 820,468.30-1,132,243.83-457,888.30

Finding the Fourth Proportional to 820,468.30, 1,132,243.83 and 457,888.30

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Solution

The fourth proportional to 820,468.30, 1,132,243.83 and 457,888.30 is: 631,884.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    820,468.30 : 1,132,243.83 = 457,888.30 : x
  2. Step 2: Convert to fraction form
    820,468.30/1,132,243.83 = 457,888.30/x
  3. Step 3: Cross multiply
    820,468.30x = 1,132,243.83 × 457,888.30
  4. Step 4: Simplify right side
    820,468.30x = 518,441,202,504.19
  5. Step 5: Solve for x
    x = 518,441,202,504.19/820,468.30
  6. Step 6: Final answer
    x = 631,884.50

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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.