Home / 652,844.64-979,174.80-209,555.04

Finding the Fourth Proportional to 652,844.64, 979,174.80 and 209,555.04

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Solution

The fourth proportional to 652,844.64, 979,174.80 and 209,555.04 is: 314,302.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    652,844.64 : 979,174.80 = 209,555.04 : x
  2. Step 2: Convert to fraction form
    652,844.64/979,174.80 = 209,555.04/x
  3. Step 3: Cross multiply
    652,844.64x = 979,174.80 × 209,555.04
  4. Step 4: Simplify right side
    652,844.64x = 205,191,014,380.99
  5. Step 5: Solve for x
    x = 205,191,014,380.99/652,844.64
  6. Step 6: Final answer
    x = 314,302.98

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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.