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Finding the Fourth Proportional to 501,788.42, 692,468.67 and 272,345.68

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Solution

The fourth proportional to 501,788.42, 692,468.67 and 272,345.68 is: 375,837.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,788.42 : 692,468.67 = 272,345.68 : x
  2. Step 2: Convert to fraction form
    501,788.42/692,468.67 = 272,345.68/x
  3. Step 3: Cross multiply
    501,788.42x = 692,468.67 × 272,345.68
  4. Step 4: Simplify right side
    501,788.42x = 188,590,850,809.85
  5. Step 5: Solve for x
    x = 188,590,850,809.85/501,788.42
  6. Step 6: Final answer
    x = 375,837.39

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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.