Home / 762,360.78-1,052,059.51-418,199.54

Finding the Fourth Proportional to 762,360.78, 1,052,059.51 and 418,199.54

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Solution

The fourth proportional to 762,360.78, 1,052,059.51 and 418,199.54 is: 577,116.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,360.78 : 1,052,059.51 = 418,199.54 : x
  2. Step 2: Convert to fraction form
    762,360.78/1,052,059.51 = 418,199.54/x
  3. Step 3: Cross multiply
    762,360.78x = 1,052,059.51 × 418,199.54
  4. Step 4: Simplify right side
    762,360.78x = 439,970,803,134.63
  5. Step 5: Solve for x
    x = 439,970,803,134.63/762,360.78
  6. Step 6: Final answer
    x = 577,116.26

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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.