Home / 643,011.14-964,319.73-444,606.50

Finding the Fourth Proportional to 643,011.14, 964,319.73 and 444,606.50

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Solution

The fourth proportional to 643,011.14, 964,319.73 and 444,606.50 is: 666,773.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    643,011.14 : 964,319.73 = 444,606.50 : x
  2. Step 2: Convert to fraction form
    643,011.14/964,319.73 = 444,606.50/x
  3. Step 3: Cross multiply
    643,011.14x = 964,319.73 × 444,606.50
  4. Step 4: Simplify right side
    643,011.14x = 428,742,815,214.65
  5. Step 5: Solve for x
    x = 428,742,815,214.65/643,011.14
  6. Step 6: Final answer
    x = 666,773.55

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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.