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Finding the Fourth Proportional to 689,354.60, 950,641.41 and 459,921.24

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Solution

The fourth proportional to 689,354.60, 950,641.41 and 459,921.24 is: 634,245.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    689,354.60 : 950,641.41 = 459,921.24 : x
  2. Step 2: Convert to fraction form
    689,354.60/950,641.41 = 459,921.24/x
  3. Step 3: Cross multiply
    689,354.60x = 950,641.41 × 459,921.24
  4. Step 4: Simplify right side
    689,354.60x = 437,220,177,807.25
  5. Step 5: Solve for x
    x = 437,220,177,807.25/689,354.60
  6. Step 6: Final answer
    x = 634,245.68

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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.