Home / 977,107.80-1,465,467.30-471,667.80

Finding the Fourth Proportional to 977,107.80, 1,465,467.30 and 471,667.80

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Solution

The fourth proportional to 977,107.80, 1,465,467.30 and 471,667.80 is: 707,407.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,107.80 : 1,465,467.30 = 471,667.80 : x
  2. Step 2: Convert to fraction form
    977,107.80/1,465,467.30 = 471,667.80/x
  3. Step 3: Cross multiply
    977,107.80x = 1,465,467.30 × 471,667.80
  4. Step 4: Simplify right side
    977,107.80x = 691,213,737,362.94
  5. Step 5: Solve for x
    x = 691,213,737,362.94/977,107.80
  6. Step 6: Final answer
    x = 707,407.86

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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.