Home / 678,455.55-1,022,559.97-584,815.91

Finding the Fourth Proportional to 678,455.55, 1,022,559.97 and 584,815.91

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Solution

The fourth proportional to 678,455.55, 1,022,559.97 and 584,815.91 is: 881,427.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    678,455.55 : 1,022,559.97 = 584,815.91 : x
  2. Step 2: Convert to fraction form
    678,455.55/1,022,559.97 = 584,815.91/x
  3. Step 3: Cross multiply
    678,455.55x = 1,022,559.97 × 584,815.91
  4. Step 4: Simplify right side
    678,455.55x = 598,009,339,385.12
  5. Step 5: Solve for x
    x = 598,009,339,385.12/678,455.55
  6. Step 6: Final answer
    x = 881,427.44

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.