Home / 790,529.05-1,090,930.45-427,952.90

Finding the Fourth Proportional to 790,529.05, 1,090,930.45 and 427,952.90

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Solution

The fourth proportional to 790,529.05, 1,090,930.45 and 427,952.90 is: 590,575.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,529.05 : 1,090,930.45 = 427,952.90 : x
  2. Step 2: Convert to fraction form
    790,529.05/1,090,930.45 = 427,952.90/x
  3. Step 3: Cross multiply
    790,529.05x = 1,090,930.45 × 427,952.90
  4. Step 4: Simplify right side
    790,529.05x = 466,866,848,429.96
  5. Step 5: Solve for x
    x = 466,866,848,429.96/790,529.05
  6. Step 6: Final answer
    x = 590,575.19

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.