Home / 748,597.41-1,033,113.42-421,990.83

Finding the Fourth Proportional to 748,597.41, 1,033,113.42 and 421,990.83

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Solution

The fourth proportional to 748,597.41, 1,033,113.42 and 421,990.83 is: 582,374.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,597.41 : 1,033,113.42 = 421,990.83 : x
  2. Step 2: Convert to fraction form
    748,597.41/1,033,113.42 = 421,990.83/x
  3. Step 3: Cross multiply
    748,597.41x = 1,033,113.42 × 421,990.83
  4. Step 4: Simplify right side
    748,597.41x = 435,964,389,589.94
  5. Step 5: Solve for x
    x = 435,964,389,589.94/748,597.41
  6. Step 6: Final answer
    x = 582,374.96

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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.