Home / 645,184.98-964,947.87-574,605.54

Finding the Fourth Proportional to 645,184.98, 964,947.87 and 574,605.54

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Solution

The fourth proportional to 645,184.98, 964,947.87 and 574,605.54 is: 859,388.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    645,184.98 : 964,947.87 = 574,605.54 : x
  2. Step 2: Convert to fraction form
    645,184.98/964,947.87 = 574,605.54/x
  3. Step 3: Cross multiply
    645,184.98x = 964,947.87 × 574,605.54
  4. Step 4: Simplify right side
    645,184.98x = 554,464,391,913.20
  5. Step 5: Solve for x
    x = 554,464,391,913.20/645,184.98
  6. Step 6: Final answer
    x = 859,388.25

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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.