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Finding the Fourth Proportional to 659,701.27, 910,389.50 and 357,895.27

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Solution

The fourth proportional to 659,701.27, 910,389.50 and 357,895.27 is: 493,896.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    659,701.27 : 910,389.50 = 357,895.27 : x
  2. Step 2: Convert to fraction form
    659,701.27/910,389.50 = 357,895.27/x
  3. Step 3: Cross multiply
    659,701.27x = 910,389.50 × 357,895.27
  4. Step 4: Simplify right side
    659,701.27x = 325,824,094,526.43
  5. Step 5: Solve for x
    x = 325,824,094,526.43/659,701.27
  6. Step 6: Final answer
    x = 493,896.42

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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.