Home / 714,942.18-1,072,175.13-288,367.83

Finding the Fourth Proportional to 714,942.18, 1,072,175.13 and 288,367.83

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Solution

The fourth proportional to 714,942.18, 1,072,175.13 and 288,367.83 is: 432,455.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    714,942.18 : 1,072,175.13 = 288,367.83 : x
  2. Step 2: Convert to fraction form
    714,942.18/1,072,175.13 = 288,367.83/x
  3. Step 3: Cross multiply
    714,942.18x = 1,072,175.13 × 288,367.83
  4. Step 4: Simplify right side
    714,942.18x = 309,180,815,618.07
  5. Step 5: Solve for x
    x = 309,180,815,618.07/714,942.18
  6. Step 6: Final answer
    x = 432,455.69

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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.