Home / 931,309.55-1,285,212.31-544,147.70

Finding the Fourth Proportional to 931,309.55, 1,285,212.31 and 544,147.70

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Solution

The fourth proportional to 931,309.55, 1,285,212.31 and 544,147.70 is: 750,926.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    931,309.55 : 1,285,212.31 = 544,147.70 : x
  2. Step 2: Convert to fraction form
    931,309.55/1,285,212.31 = 544,147.70/x
  3. Step 3: Cross multiply
    931,309.55x = 1,285,212.31 × 544,147.70
  4. Step 4: Simplify right side
    931,309.55x = 699,345,322,498.19
  5. Step 5: Solve for x
    x = 699,345,322,498.19/931,309.55
  6. Step 6: Final answer
    x = 750,926.82

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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.