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Finding the Fourth Proportional to 486,638.16, 666,683.16 and 468,444.22

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Solution

The fourth proportional to 486,638.16, 666,683.16 and 468,444.22 is: 641,757.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,638.16 : 666,683.16 = 468,444.22 : x
  2. Step 2: Convert to fraction form
    486,638.16/666,683.16 = 468,444.22/x
  3. Step 3: Cross multiply
    486,638.16x = 666,683.16 × 468,444.22
  4. Step 4: Simplify right side
    486,638.16x = 312,303,872,873.34
  5. Step 5: Solve for x
    x = 312,303,872,873.34/486,638.16
  6. Step 6: Final answer
    x = 641,757.88

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These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.