Home / 763,411.02-1,144,961.01-289,930.38

Finding the Fourth Proportional to 763,411.02, 1,144,961.01 and 289,930.38

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Solution

The fourth proportional to 763,411.02, 1,144,961.01 and 289,930.38 is: 434,836.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    763,411.02 : 1,144,961.01 = 289,930.38 : x
  2. Step 2: Convert to fraction form
    763,411.02/1,144,961.01 = 289,930.38/x
  3. Step 3: Cross multiply
    763,411.02x = 1,144,961.01 × 289,930.38
  4. Step 4: Simplify right side
    763,411.02x = 331,958,980,714.48
  5. Step 5: Solve for x
    x = 331,958,980,714.48/763,411.02
  6. Step 6: Final answer
    x = 434,836.51

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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.