Home / 730,835.28-1,008,556.56-408,558.96

Finding the Fourth Proportional to 730,835.28, 1,008,556.56 and 408,558.96

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Solution

The fourth proportional to 730,835.28, 1,008,556.56 and 408,558.96 is: 563,813.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    730,835.28 : 1,008,556.56 = 408,558.96 : x
  2. Step 2: Convert to fraction form
    730,835.28/1,008,556.56 = 408,558.96/x
  3. Step 3: Cross multiply
    730,835.28x = 1,008,556.56 × 408,558.96
  4. Step 4: Simplify right side
    730,835.28x = 412,054,819,254.78
  5. Step 5: Solve for x
    x = 412,054,819,254.78/730,835.28
  6. Step 6: Final answer
    x = 563,813.53

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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.