Home / 713,606.20-1,070,409.30-293,183.80

Finding the Fourth Proportional to 713,606.20, 1,070,409.30 and 293,183.80

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Solution

The fourth proportional to 713,606.20, 1,070,409.30 and 293,183.80 is: 439,775.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    713,606.20 : 1,070,409.30 = 293,183.80 : x
  2. Step 2: Convert to fraction form
    713,606.20/1,070,409.30 = 293,183.80/x
  3. Step 3: Cross multiply
    713,606.20x = 1,070,409.30 × 293,183.80
  4. Step 4: Simplify right side
    713,606.20x = 313,826,666,129.34
  5. Step 5: Solve for x
    x = 313,826,666,129.34/713,606.20
  6. Step 6: Final answer
    x = 439,775.70

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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.