Home / 855,918.10-1,282,950.40-556,613.49

Finding the Fourth Proportional to 855,918.10, 1,282,950.40 and 556,613.49

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Solution

The fourth proportional to 855,918.10, 1,282,950.40 and 556,613.49 is: 834,317.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,918.10 : 1,282,950.40 = 556,613.49 : x
  2. Step 2: Convert to fraction form
    855,918.10/1,282,950.40 = 556,613.49/x
  3. Step 3: Cross multiply
    855,918.10x = 1,282,950.40 × 556,613.49
  4. Step 4: Simplify right side
    855,918.10x = 714,107,499,640.90
  5. Step 5: Solve for x
    x = 714,107,499,640.90/855,918.10
  6. Step 6: Final answer
    x = 834,317.56

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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.