Home / 954,327-1,431,499.14-289,479

Finding the Fourth Proportional to 954,327, 1,431,499.14 and 289,479

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Solution

The fourth proportional to 954,327, 1,431,499.14 and 289,479 is: 434,221.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    954,327 : 1,431,499.14 = 289,479 : x
  2. Step 2: Convert to fraction form
    954,327/1,431,499.14 = 289,479/x
  3. Step 3: Cross multiply
    954,327x = 1,431,499.14 × 289,479
  4. Step 4: Simplify right side
    954,327x = 414,388,939,548.06
  5. Step 5: Solve for x
    x = 414,388,939,548.06/954,327
  6. Step 6: Final answer
    x = 434,221.12

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.