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Finding the Fourth Proportional to 479,439.88, 719,601.54 and 242,950.12

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Solution

The fourth proportional to 479,439.88, 719,601.54 and 242,950.12 is: 364,649.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,439.88 : 719,601.54 = 242,950.12 : x
  2. Step 2: Convert to fraction form
    479,439.88/719,601.54 = 242,950.12/x
  3. Step 3: Cross multiply
    479,439.88x = 719,601.54 × 242,950.12
  4. Step 4: Simplify right side
    479,439.88x = 174,827,280,495.19
  5. Step 5: Solve for x
    x = 174,827,280,495.19/479,439.88
  6. Step 6: Final answer
    x = 364,649.02

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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.