Home / 928,406.48-1,281,199.82-520,508.43

Finding the Fourth Proportional to 928,406.48, 1,281,199.82 and 520,508.43

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Solution

The fourth proportional to 928,406.48, 1,281,199.82 and 520,508.43 is: 718,301.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    928,406.48 : 1,281,199.82 = 520,508.43 : x
  2. Step 2: Convert to fraction form
    928,406.48/1,281,199.82 = 520,508.43/x
  3. Step 3: Cross multiply
    928,406.48x = 1,281,199.82 × 520,508.43
  4. Step 4: Simplify right side
    928,406.48x = 666,875,304,221.94
  5. Step 5: Solve for x
    x = 666,875,304,221.94/928,406.48
  6. Step 6: Final answer
    x = 718,301.01

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.