Home / 329,839.84-454,944.32-302,703.56

Finding the Fourth Proportional to 329,839.84, 454,944.32 and 302,703.56

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Solution

The fourth proportional to 329,839.84, 454,944.32 and 302,703.56 is: 417,515.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,839.84 : 454,944.32 = 302,703.56 : x
  2. Step 2: Convert to fraction form
    329,839.84/454,944.32 = 302,703.56/x
  3. Step 3: Cross multiply
    329,839.84x = 454,944.32 × 302,703.56
  4. Step 4: Simplify right side
    329,839.84x = 137,713,265,265.78
  5. Step 5: Solve for x
    x = 137,713,265,265.78/329,839.84
  6. Step 6: Final answer
    x = 417,515.56

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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.