Home / 793,390.76-1,188,054.30-438,010.28

Finding the Fourth Proportional to 793,390.76, 1,188,054.30 and 438,010.28

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Solution

The fourth proportional to 793,390.76, 1,188,054.30 and 438,010.28 is: 655,893.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    793,390.76 : 1,188,054.30 = 438,010.28 : x
  2. Step 2: Convert to fraction form
    793,390.76/1,188,054.30 = 438,010.28/x
  3. Step 3: Cross multiply
    793,390.76x = 1,188,054.30 × 438,010.28
  4. Step 4: Simplify right side
    793,390.76x = 520,379,996,598.20
  5. Step 5: Solve for x
    x = 520,379,996,598.20/793,390.76
  6. Step 6: Final answer
    x = 655,893.69

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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.