Home / 673,725.80-1,010,052.12-389,092.52

Finding the Fourth Proportional to 673,725.80, 1,010,052.12 and 389,092.52

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Solution

The fourth proportional to 673,725.80, 1,010,052.12 and 389,092.52 is: 583,328.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,725.80 : 1,010,052.12 = 389,092.52 : x
  2. Step 2: Convert to fraction form
    673,725.80/1,010,052.12 = 389,092.52/x
  3. Step 3: Cross multiply
    673,725.80x = 1,010,052.12 × 389,092.52
  4. Step 4: Simplify right side
    673,725.80x = 393,003,724,702.14
  5. Step 5: Solve for x
    x = 393,003,724,702.14/673,725.80
  6. Step 6: Final answer
    x = 583,328.89

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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.