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Finding the Fourth Proportional to 659,483.85, 910,087.79 and 372,997.85

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Solution

The fourth proportional to 659,483.85, 910,087.79 and 372,997.85 is: 514,737.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    659,483.85 : 910,087.79 = 372,997.85 : x
  2. Step 2: Convert to fraction form
    659,483.85/910,087.79 = 372,997.85/x
  3. Step 3: Cross multiply
    659,483.85x = 910,087.79 × 372,997.85
  4. Step 4: Simplify right side
    659,483.85x = 339,460,787,116.26
  5. Step 5: Solve for x
    x = 339,460,787,116.26/659,483.85
  6. Step 6: Final answer
    x = 514,737.07

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1.5x scale

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.