Home / 753,089.23-1,039,003.33-481,316.20

Finding the Fourth Proportional to 753,089.23, 1,039,003.33 and 481,316.20

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Solution

The fourth proportional to 753,089.23, 1,039,003.33 and 481,316.20 is: 664,050.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,089.23 : 1,039,003.33 = 481,316.20 : x
  2. Step 2: Convert to fraction form
    753,089.23/1,039,003.33 = 481,316.20/x
  3. Step 3: Cross multiply
    753,089.23x = 1,039,003.33 × 481,316.20
  4. Step 4: Simplify right side
    753,089.23x = 500,089,134,582.95
  5. Step 5: Solve for x
    x = 500,089,134,582.95/753,089.23
  6. Step 6: Final answer
    x = 664,050.31

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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.