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Finding the Fourth Proportional to 497,906.10, 745,968.15 and 302,804.10

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Solution

The fourth proportional to 497,906.10, 745,968.15 and 302,804.10 is: 453,664.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,906.10 : 745,968.15 = 302,804.10 : x
  2. Step 2: Convert to fraction form
    497,906.10/745,968.15 = 302,804.10/x
  3. Step 3: Cross multiply
    497,906.10x = 745,968.15 × 302,804.10
  4. Step 4: Simplify right side
    497,906.10x = 225,882,214,289.42
  5. Step 5: Solve for x
    x = 225,882,214,289.42/497,906.10
  6. Step 6: Final answer
    x = 453,664.28

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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.