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Finding the Fourth Proportional to 574,797.70, 793,221.05 and 333,220.31

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Solution

The fourth proportional to 574,797.70, 793,221.05 and 333,220.31 is: 459,844.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,797.70 : 793,221.05 = 333,220.31 : x
  2. Step 2: Convert to fraction form
    574,797.70/793,221.05 = 333,220.31/x
  3. Step 3: Cross multiply
    574,797.70x = 793,221.05 × 333,220.31
  4. Step 4: Simplify right side
    574,797.70x = 264,317,364,496.48
  5. Step 5: Solve for x
    x = 264,317,364,496.48/574,797.70
  6. Step 6: Final answer
    x = 459,844.16

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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.