Home / 740,010.60-1,110,015.90-440,634.60

Finding the Fourth Proportional to 740,010.60, 1,110,015.90 and 440,634.60

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Solution

The fourth proportional to 740,010.60, 1,110,015.90 and 440,634.60 is: 660,951.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,010.60 : 1,110,015.90 = 440,634.60 : x
  2. Step 2: Convert to fraction form
    740,010.60/1,110,015.90 = 440,634.60/x
  3. Step 3: Cross multiply
    740,010.60x = 1,110,015.90 × 440,634.60
  4. Step 4: Simplify right side
    740,010.60x = 489,111,412,090.14
  5. Step 5: Solve for x
    x = 489,111,412,090.14/740,010.60
  6. Step 6: Final answer
    x = 660,951.90

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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.