Home / 769,917.60-1,062,466.80-430,417.44

Finding the Fourth Proportional to 769,917.60, 1,062,466.80 and 430,417.44

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Solution

The fourth proportional to 769,917.60, 1,062,466.80 and 430,417.44 is: 593,965.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,917.60 : 1,062,466.80 = 430,417.44 : x
  2. Step 2: Convert to fraction form
    769,917.60/1,062,466.80 = 430,417.44/x
  3. Step 3: Cross multiply
    769,917.60x = 1,062,466.80 × 430,417.44
  4. Step 4: Simplify right side
    769,917.60x = 457,304,240,140.99
  5. Step 5: Solve for x
    x = 457,304,240,140.99/769,917.60
  6. Step 6: Final answer
    x = 593,965.17

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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.