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Finding the Fourth Proportional to 659,526, 910,145.94 and 373,039.92

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Solution

The fourth proportional to 659,526, 910,145.94 and 373,039.92 is: 514,795.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    659,526 : 910,145.94 = 373,039.92 : x
  2. Step 2: Convert to fraction form
    659,526/910,145.94 = 373,039.92/x
  3. Step 3: Cross multiply
    659,526x = 910,145.94 × 373,039.92
  4. Step 4: Simplify right side
    659,526x = 339,520,768,645.93
  5. Step 5: Solve for x
    x = 339,520,768,645.93/659,526
  6. Step 6: Final answer
    x = 514,795.12

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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.