Home / 842,525.10-1,162,400.90-479,692.35

Finding the Fourth Proportional to 842,525.10, 1,162,400.90 and 479,692.35

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Solution

The fourth proportional to 842,525.10, 1,162,400.90 and 479,692.35 is: 661,813.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    842,525.10 : 1,162,400.90 = 479,692.35 : x
  2. Step 2: Convert to fraction form
    842,525.10/1,162,400.90 = 479,692.35/x
  3. Step 3: Cross multiply
    842,525.10x = 1,162,400.90 × 479,692.35
  4. Step 4: Simplify right side
    842,525.10x = 557,594,816,964.65
  5. Step 5: Solve for x
    x = 557,594,816,964.65/842,525.10
  6. Step 6: Final answer
    x = 661,813.89

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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.