Home / 807,276.58-1,210,494.40-301,421.54

Finding the Fourth Proportional to 807,276.58, 1,210,494.40 and 301,421.54

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Solution

The fourth proportional to 807,276.58, 1,210,494.40 and 301,421.54 is: 451,975.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,276.58 : 1,210,494.40 = 301,421.54 : x
  2. Step 2: Convert to fraction form
    807,276.58/1,210,494.40 = 301,421.54/x
  3. Step 3: Cross multiply
    807,276.58x = 1,210,494.40 × 301,421.54
  4. Step 4: Simplify right side
    807,276.58x = 364,869,086,209.38
  5. Step 5: Solve for x
    x = 364,869,086,209.38/807,276.58
  6. Step 6: Final answer
    x = 451,975.31

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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.