Home / 770,438.82-1,063,199.79-430,907.07

Finding the Fourth Proportional to 770,438.82, 1,063,199.79 and 430,907.07

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Solution

The fourth proportional to 770,438.82, 1,063,199.79 and 430,907.07 is: 594,648.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,438.82 : 1,063,199.79 = 430,907.07 : x
  2. Step 2: Convert to fraction form
    770,438.82/1,063,199.79 = 430,907.07/x
  3. Step 3: Cross multiply
    770,438.82x = 1,063,199.79 × 430,907.07
  4. Step 4: Simplify right side
    770,438.82x = 458,140,306,333.52
  5. Step 5: Solve for x
    x = 458,140,306,333.52/770,438.82
  6. Step 6: Final answer
    x = 594,648.52

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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.