Home / 815,154.34-1,222,338.24-341,712.58

Finding the Fourth Proportional to 815,154.34, 1,222,338.24 and 341,712.58

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Solution

The fourth proportional to 815,154.34, 1,222,338.24 and 341,712.58 is: 512,404.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    815,154.34 : 1,222,338.24 = 341,712.58 : x
  2. Step 2: Convert to fraction form
    815,154.34/1,222,338.24 = 341,712.58/x
  3. Step 3: Cross multiply
    815,154.34x = 1,222,338.24 × 341,712.58
  4. Step 4: Simplify right side
    815,154.34x = 417,688,353,623.06
  5. Step 5: Solve for x
    x = 417,688,353,623.06/815,154.34
  6. Step 6: Final answer
    x = 512,404.01

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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.