Home / 349,731.80-524,597.70-321,738.20

Finding the Fourth Proportional to 349,731.80, 524,597.70 and 321,738.20

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Solution

The fourth proportional to 349,731.80, 524,597.70 and 321,738.20 is: 482,607.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,731.80 : 524,597.70 = 321,738.20 : x
  2. Step 2: Convert to fraction form
    349,731.80/524,597.70 = 321,738.20/x
  3. Step 3: Cross multiply
    349,731.80x = 524,597.70 × 321,738.20
  4. Step 4: Simplify right side
    349,731.80x = 168,783,119,722.14
  5. Step 5: Solve for x
    x = 168,783,119,722.14/349,731.80
  6. Step 6: Final answer
    x = 482,607.30

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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.