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Finding the Fourth Proportional to 609,182.96, 840,699.96 and 340,910.96

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Solution

The fourth proportional to 609,182.96, 840,699.96 and 340,910.96 is: 470,472.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,182.96 : 840,699.96 = 340,910.96 : x
  2. Step 2: Convert to fraction form
    609,182.96/840,699.96 = 340,910.96/x
  3. Step 3: Cross multiply
    609,182.96x = 840,699.96 × 340,910.96
  4. Step 4: Simplify right side
    609,182.96x = 286,603,830,435.56
  5. Step 5: Solve for x
    x = 286,603,830,435.56/609,182.96
  6. Step 6: Final answer
    x = 470,472.50

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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.