Home / 820,904.81-1,132,837.62-458,334.23

Finding the Fourth Proportional to 820,904.81, 1,132,837.62 and 458,334.23

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Solution

The fourth proportional to 820,904.81, 1,132,837.62 and 458,334.23 is: 632,495.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    820,904.81 : 1,132,837.62 = 458,334.23 : x
  2. Step 2: Convert to fraction form
    820,904.81/1,132,837.62 = 458,334.23/x
  3. Step 3: Cross multiply
    820,904.81x = 1,132,837.62 × 458,334.23
  4. Step 4: Simplify right side
    820,904.81x = 519,218,258,277.73
  5. Step 5: Solve for x
    x = 519,218,258,277.73/820,904.81
  6. Step 6: Final answer
    x = 632,495.09

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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.