Home / 770,874.34-1,063,679.57-484,190.18

Finding the Fourth Proportional to 770,874.34, 1,063,679.57 and 484,190.18

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Solution

The fourth proportional to 770,874.34, 1,063,679.57 and 484,190.18 is: 668,102.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,874.34 : 1,063,679.57 = 484,190.18 : x
  2. Step 2: Convert to fraction form
    770,874.34/1,063,679.57 = 484,190.18/x
  3. Step 3: Cross multiply
    770,874.34x = 1,063,679.57 × 484,190.18
  4. Step 4: Simplify right side
    770,874.34x = 515,023,202,460.62
  5. Step 5: Solve for x
    x = 515,023,202,460.62/770,874.34
  6. Step 6: Final answer
    x = 668,102.67

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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.