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Finding the Fourth Proportional to 946,010.08, 1,417,782.96 and 384,388

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Solution

The fourth proportional to 946,010.08, 1,417,782.96 and 384,388 is: 576,081.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    946,010.08 : 1,417,782.96 = 384,388 : x
  2. Step 2: Convert to fraction form
    946,010.08/1,417,782.96 = 384,388/x
  3. Step 3: Cross multiply
    946,010.08x = 1,417,782.96 × 384,388
  4. Step 4: Simplify right side
    946,010.08x = 544,978,756,428.48
  5. Step 5: Solve for x
    x = 544,978,756,428.48/946,010.08
  6. Step 6: Final answer
    x = 576,081.34

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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.