Home / 821,077.75-1,133,065.29-458,491.51

Finding the Fourth Proportional to 821,077.75, 1,133,065.29 and 458,491.51

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Solution

The fourth proportional to 821,077.75, 1,133,065.29 and 458,491.51 is: 632,706.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    821,077.75 : 1,133,065.29 = 458,491.51 : x
  2. Step 2: Convert to fraction form
    821,077.75/1,133,065.29 = 458,491.51/x
  3. Step 3: Cross multiply
    821,077.75x = 1,133,065.29 × 458,491.51
  4. Step 4: Simplify right side
    821,077.75x = 519,500,815,740.69
  5. Step 5: Solve for x
    x = 519,500,815,740.69/821,077.75
  6. Step 6: Final answer
    x = 632,706.00

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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.