Home / 901,371.60-1,243,892.79-498,963.60

Finding the Fourth Proportional to 901,371.60, 1,243,892.79 and 498,963.60

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Solution

The fourth proportional to 901,371.60, 1,243,892.79 and 498,963.60 is: 688,569.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    901,371.60 : 1,243,892.79 = 498,963.60 : x
  2. Step 2: Convert to fraction form
    901,371.60/1,243,892.79 = 498,963.60/x
  3. Step 3: Cross multiply
    901,371.60x = 1,243,892.79 × 498,963.60
  4. Step 4: Simplify right side
    901,371.60x = 620,657,224,512.44
  5. Step 5: Solve for x
    x = 620,657,224,512.44/901,371.60
  6. Step 6: Final answer
    x = 688,569.76

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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.