Home / 840,381.68-1,159,734.12-458,410.16

Finding the Fourth Proportional to 840,381.68, 1,159,734.12 and 458,410.16

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Solution

The fourth proportional to 840,381.68, 1,159,734.12 and 458,410.16 is: 632,610.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,381.68 : 1,159,734.12 = 458,410.16 : x
  2. Step 2: Convert to fraction form
    840,381.68/1,159,734.12 = 458,410.16/x
  3. Step 3: Cross multiply
    840,381.68x = 1,159,734.12 × 458,410.16
  4. Step 4: Simplify right side
    840,381.68x = 531,633,903,506.66
  5. Step 5: Solve for x
    x = 531,633,903,506.66/840,381.68
  6. Step 6: Final answer
    x = 632,610.06

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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.