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Finding the Fourth Proportional to 523,837.48, 722,983.44 and 309,030.88

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Solution

The fourth proportional to 523,837.48, 722,983.44 and 309,030.88 is: 426,514.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    523,837.48 : 722,983.44 = 309,030.88 : x
  2. Step 2: Convert to fraction form
    523,837.48/722,983.44 = 309,030.88/x
  3. Step 3: Cross multiply
    523,837.48x = 722,983.44 × 309,030.88
  4. Step 4: Simplify right side
    523,837.48x = 223,424,208,688.63
  5. Step 5: Solve for x
    x = 223,424,208,688.63/523,837.48
  6. Step 6: Final answer
    x = 426,514.36

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.