Home / 1,010,308.50-1,515,474.27-345,512.34

Finding the Fourth Proportional to 1,010,308.50, 1,515,474.27 and 345,512.34

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Solution

The fourth proportional to 1,010,308.50, 1,515,474.27 and 345,512.34 is: 518,272.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,010,308.50 : 1,515,474.27 = 345,512.34 : x
  2. Step 2: Convert to fraction form
    1,010,308.50/1,515,474.27 = 345,512.34/x
  3. Step 3: Cross multiply
    1,010,308.50x = 1,515,474.27 × 345,512.34
  4. Step 4: Simplify right side
    1,010,308.50x = 523,615,061,237.49
  5. Step 5: Solve for x
    x = 523,615,061,237.49/1,010,308.50
  6. Step 6: Final answer
    x = 518,272.45

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Double scale
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Similar ratio
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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.