Home / 815,153.34-1,222,336.74-341,711.58

Finding the Fourth Proportional to 815,153.34, 1,222,336.74 and 341,711.58

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Solution

The fourth proportional to 815,153.34, 1,222,336.74 and 341,711.58 is: 512,402.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    815,153.34 : 1,222,336.74 = 341,711.58 : x
  2. Step 2: Convert to fraction form
    815,153.34/1,222,336.74 = 341,711.58/x
  3. Step 3: Cross multiply
    815,153.34x = 1,222,336.74 × 341,711.58
  4. Step 4: Simplify right side
    815,153.34x = 417,686,618,717.45
  5. Step 5: Solve for x
    x = 417,686,618,717.45/815,153.34
  6. Step 6: Final answer
    x = 512,402.51

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1.5x scale

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.