Home / 799,428.60-1,102,448.97-523,374.51

Finding the Fourth Proportional to 799,428.60, 1,102,448.97 and 523,374.51

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Solution

The fourth proportional to 799,428.60, 1,102,448.97 and 523,374.51 is: 721,757.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    799,428.60 : 1,102,448.97 = 523,374.51 : x
  2. Step 2: Convert to fraction form
    799,428.60/1,102,448.97 = 523,374.51/x
  3. Step 3: Cross multiply
    799,428.60x = 1,102,448.97 × 523,374.51
  4. Step 4: Simplify right side
    799,428.60x = 576,993,689,473.76
  5. Step 5: Solve for x
    x = 576,993,689,473.76/799,428.60
  6. Step 6: Final answer
    x = 721,757.63

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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.