Home / 891,728.34-1,337,636.25-359,177.46

Finding the Fourth Proportional to 891,728.34, 1,337,636.25 and 359,177.46

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Solution

The fourth proportional to 891,728.34, 1,337,636.25 and 359,177.46 is: 538,783.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,728.34 : 1,337,636.25 = 359,177.46 : x
  2. Step 2: Convert to fraction form
    891,728.34/1,337,636.25 = 359,177.46/x
  3. Step 3: Cross multiply
    891,728.34x = 1,337,636.25 × 359,177.46
  4. Step 4: Simplify right side
    891,728.34x = 480,448,790,678.93
  5. Step 5: Solve for x
    x = 480,448,790,678.93/891,728.34
  6. Step 6: Final answer
    x = 538,783.81

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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.