Home / 798,303.85-1,197,984.65-438,725.82

Finding the Fourth Proportional to 798,303.85, 1,197,984.65 and 438,725.82

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Solution

The fourth proportional to 798,303.85, 1,197,984.65 and 438,725.82 is: 658,379.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    798,303.85 : 1,197,984.65 = 438,725.82 : x
  2. Step 2: Convert to fraction form
    798,303.85/1,197,984.65 = 438,725.82/x
  3. Step 3: Cross multiply
    798,303.85x = 1,197,984.65 × 438,725.82
  4. Step 4: Simplify right side
    798,303.85x = 525,586,797,918.66
  5. Step 5: Solve for x
    x = 525,586,797,918.66/798,303.85
  6. Step 6: Final answer
    x = 658,379.39

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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.