Home / 669,840.80-1,003,886.40-482,633.60

Finding the Fourth Proportional to 669,840.80, 1,003,886.40 and 482,633.60

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Solution

The fourth proportional to 669,840.80, 1,003,886.40 and 482,633.60 is: 723,320.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,840.80 : 1,003,886.40 = 482,633.60 : x
  2. Step 2: Convert to fraction form
    669,840.80/1,003,886.40 = 482,633.60/x
  3. Step 3: Cross multiply
    669,840.80x = 1,003,886.40 × 482,633.60
  4. Step 4: Simplify right side
    669,840.80x = 484,509,307,223.04
  5. Step 5: Solve for x
    x = 484,509,307,223.04/669,840.80
  6. Step 6: Final answer
    x = 723,320.09

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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.