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Finding the Fourth Proportional to 501,538.68, 692,121.24 and 275,179.32

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Solution

The fourth proportional to 501,538.68, 692,121.24 and 275,179.32 is: 379,746.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,538.68 : 692,121.24 = 275,179.32 : x
  2. Step 2: Convert to fraction form
    501,538.68/692,121.24 = 275,179.32/x
  3. Step 3: Cross multiply
    501,538.68x = 692,121.24 × 275,179.32
  4. Step 4: Simplify right side
    501,538.68x = 190,457,452,180.76
  5. Step 5: Solve for x
    x = 190,457,452,180.76/501,538.68
  6. Step 6: Final answer
    x = 379,746.29

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1.5x scale

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.