Home / 929,812.20-1,394,062.20-424,615.20

Finding the Fourth Proportional to 929,812.20, 1,394,062.20 and 424,615.20

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Solution

The fourth proportional to 929,812.20, 1,394,062.20 and 424,615.20 is: 636,623.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    929,812.20 : 1,394,062.20 = 424,615.20 : x
  2. Step 2: Convert to fraction form
    929,812.20/1,394,062.20 = 424,615.20/x
  3. Step 3: Cross multiply
    929,812.20x = 1,394,062.20 × 424,615.20
  4. Step 4: Simplify right side
    929,812.20x = 591,939,999,865.44
  5. Step 5: Solve for x
    x = 591,939,999,865.44/929,812.20
  6. Step 6: Final answer
    x = 636,623.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.