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Finding the Fourth Proportional to 594,417, 820,295.38 and 339,773.66

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Solution

The fourth proportional to 594,417, 820,295.38 and 339,773.66 is: 468,887.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    594,417 : 820,295.38 = 339,773.66 : x
  2. Step 2: Convert to fraction form
    594,417/820,295.38 = 339,773.66/x
  3. Step 3: Cross multiply
    594,417x = 820,295.38 × 339,773.66
  4. Step 4: Simplify right side
    594,417x = 278,714,763,543.69
  5. Step 5: Solve for x
    x = 278,714,763,543.69/594,417
  6. Step 6: Final answer
    x = 468,887.61

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Double scale
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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.