Home / 763,153.66-1,144,772.62-230,661.28

Finding the Fourth Proportional to 763,153.66, 1,144,772.62 and 230,661.28

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Solution

The fourth proportional to 763,153.66, 1,144,772.62 and 230,661.28 is: 346,004.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    763,153.66 : 1,144,772.62 = 230,661.28 : x
  2. Step 2: Convert to fraction form
    763,153.66/1,144,772.62 = 230,661.28/x
  3. Step 3: Cross multiply
    763,153.66x = 1,144,772.62 × 230,661.28
  4. Step 4: Simplify right side
    763,153.66x = 264,054,717,838.15
  5. Step 5: Solve for x
    x = 264,054,717,838.15/763,153.66
  6. Step 6: Final answer
    x = 346,004.65

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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.