Home / 714,084.48-1,071,142.20-258,716.34

Finding the Fourth Proportional to 714,084.48, 1,071,142.20 and 258,716.34

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Solution

The fourth proportional to 714,084.48, 1,071,142.20 and 258,716.34 is: 388,080.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    714,084.48 : 1,071,142.20 = 258,716.34 : x
  2. Step 2: Convert to fraction form
    714,084.48/1,071,142.20 = 258,716.34/x
  3. Step 3: Cross multiply
    714,084.48x = 1,071,142.20 × 258,716.34
  4. Step 4: Simplify right side
    714,084.48x = 277,121,989,603.55
  5. Step 5: Solve for x
    x = 277,121,989,603.55/714,084.48
  6. Step 6: Final answer
    x = 388,080.12

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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.