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Finding the Fourth Proportional to 659,410.63, 910,035.54 and 369,051.28

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Solution

The fourth proportional to 659,410.63, 910,035.54 and 369,051.28 is: 509,318.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    659,410.63 : 910,035.54 = 369,051.28 : x
  2. Step 2: Convert to fraction form
    659,410.63/910,035.54 = 369,051.28/x
  3. Step 3: Cross multiply
    659,410.63x = 910,035.54 × 369,051.28
  4. Step 4: Simplify right side
    659,410.63x = 335,849,778,607.40
  5. Step 5: Solve for x
    x = 335,849,778,607.40/659,410.63
  6. Step 6: Final answer
    x = 509,318.12

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.