Home / 707,289.50-1,060,945.38-393,739.30

Finding the Fourth Proportional to 707,289.50, 1,060,945.38 and 393,739.30

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Solution

The fourth proportional to 707,289.50, 1,060,945.38 and 393,739.30 is: 590,615.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    707,289.50 : 1,060,945.38 = 393,739.30 : x
  2. Step 2: Convert to fraction form
    707,289.50/1,060,945.38 = 393,739.30/x
  3. Step 3: Cross multiply
    707,289.50x = 1,060,945.38 × 393,739.30
  4. Step 4: Simplify right side
    707,289.50x = 417,735,891,259.43
  5. Step 5: Solve for x
    x = 417,735,891,259.43/707,289.50
  6. Step 6: Final answer
    x = 590,615.15

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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.