Home / 708,113.46-1,062,613.04-287,389.32

Finding the Fourth Proportional to 708,113.46, 1,062,613.04 and 287,389.32

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Solution

The fourth proportional to 708,113.46, 1,062,613.04 and 287,389.32 is: 431,263.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,113.46 : 1,062,613.04 = 287,389.32 : x
  2. Step 2: Convert to fraction form
    708,113.46/1,062,613.04 = 287,389.32/x
  3. Step 3: Cross multiply
    708,113.46x = 1,062,613.04 × 287,389.32
  4. Step 4: Simplify right side
    708,113.46x = 305,383,638,988.73
  5. Step 5: Solve for x
    x = 305,383,638,988.73/708,113.46
  6. Step 6: Final answer
    x = 431,263.71

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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.