Home / 768,293.74-1,060,217.54-424,122.28

Finding the Fourth Proportional to 768,293.74, 1,060,217.54 and 424,122.28

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Solution

The fourth proportional to 768,293.74, 1,060,217.54 and 424,122.28 is: 585,273.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    768,293.74 : 1,060,217.54 = 424,122.28 : x
  2. Step 2: Convert to fraction form
    768,293.74/1,060,217.54 = 424,122.28/x
  3. Step 3: Cross multiply
    768,293.74x = 1,060,217.54 × 424,122.28
  4. Step 4: Simplify right side
    768,293.74x = 449,661,880,360.79
  5. Step 5: Solve for x
    x = 449,661,880,360.79/768,293.74
  6. Step 6: Final answer
    x = 585,273.39

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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.