Home / 821,022.67-1,133,011.97-458,446.02

Finding the Fourth Proportional to 821,022.67, 1,133,011.97 and 458,446.02

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Solution

The fourth proportional to 821,022.67, 1,133,011.97 and 458,446.02 is: 632,655.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    821,022.67 : 1,133,011.97 = 458,446.02 : x
  2. Step 2: Convert to fraction form
    821,022.67/1,133,011.97 = 458,446.02/x
  3. Step 3: Cross multiply
    821,022.67x = 1,133,011.97 × 458,446.02
  4. Step 4: Simplify right side
    821,022.67x = 519,424,828,258.86
  5. Step 5: Solve for x
    x = 519,424,828,258.86/821,022.67
  6. Step 6: Final answer
    x = 632,655.89

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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.