Home / 714,405.18-1,071,607.70-215,769.18

Finding the Fourth Proportional to 714,405.18, 1,071,607.70 and 215,769.18

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Solution

The fourth proportional to 714,405.18, 1,071,607.70 and 215,769.18 is: 323,653.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    714,405.18 : 1,071,607.70 = 215,769.18 : x
  2. Step 2: Convert to fraction form
    714,405.18/1,071,607.70 = 215,769.18/x
  3. Step 3: Cross multiply
    714,405.18x = 1,071,607.70 × 215,769.18
  4. Step 4: Simplify right side
    714,405.18x = 231,219,914,710.69
  5. Step 5: Solve for x
    x = 231,219,914,710.69/714,405.18
  6. Step 6: Final answer
    x = 323,653.75

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.