Home / 821,258.49-1,133,224.66-458,636.11

Finding the Fourth Proportional to 821,258.49, 1,133,224.66 and 458,636.11

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Solution

The fourth proportional to 821,258.49, 1,133,224.66 and 458,636.11 is: 632,855.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    821,258.49 : 1,133,224.66 = 458,636.11 : x
  2. Step 2: Convert to fraction form
    821,258.49/1,133,224.66 = 458,636.11/x
  3. Step 3: Cross multiply
    821,258.49x = 1,133,224.66 × 458,636.11
  4. Step 4: Simplify right side
    821,258.49x = 519,737,747,558.71
  5. Step 5: Solve for x
    x = 519,737,747,558.71/821,258.49
  6. Step 6: Final answer
    x = 632,855.25

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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.