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Finding the Fourth Proportional to 424,701.60, 586,093.56 and 233,710.80

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Solution

The fourth proportional to 424,701.60, 586,093.56 and 233,710.80 is: 322,523.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,701.60 : 586,093.56 = 233,710.80 : x
  2. Step 2: Convert to fraction form
    424,701.60/586,093.56 = 233,710.80/x
  3. Step 3: Cross multiply
    424,701.60x = 586,093.56 × 233,710.80
  4. Step 4: Simplify right side
    424,701.60x = 136,976,394,782.45
  5. Step 5: Solve for x
    x = 136,976,394,782.45/424,701.60
  6. Step 6: Final answer
    x = 322,523.85

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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.