Home / 789,532.98-1,089,678.15-518,387.46

Finding the Fourth Proportional to 789,532.98, 1,089,678.15 and 518,387.46

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Solution

The fourth proportional to 789,532.98, 1,089,678.15 and 518,387.46 is: 715,455.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    789,532.98 : 1,089,678.15 = 518,387.46 : x
  2. Step 2: Convert to fraction form
    789,532.98/1,089,678.15 = 518,387.46/x
  3. Step 3: Cross multiply
    789,532.98x = 1,089,678.15 × 518,387.46
  4. Step 4: Simplify right side
    789,532.98x = 564,875,488,396.00
  5. Step 5: Solve for x
    x = 564,875,488,396.00/789,532.98
  6. Step 6: Final answer
    x = 715,455.22

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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.