Home / 769,054.78-1,153,828.60-538,483.94

Finding the Fourth Proportional to 769,054.78, 1,153,828.60 and 538,483.94

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Solution

The fourth proportional to 769,054.78, 1,153,828.60 and 538,483.94 is: 807,898.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,054.78 : 1,153,828.60 = 538,483.94 : x
  2. Step 2: Convert to fraction form
    769,054.78/1,153,828.60 = 538,483.94/x
  3. Step 3: Cross multiply
    769,054.78x = 1,153,828.60 × 538,483.94
  4. Step 4: Simplify right side
    769,054.78x = 621,318,170,612.68
  5. Step 5: Solve for x
    x = 621,318,170,612.68/769,054.78
  6. Step 6: Final answer
    x = 807,898.46

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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.