Home / 928,995.62-1,393,159.30-321,619.01

Finding the Fourth Proportional to 928,995.62, 1,393,159.30 and 321,619.01

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Solution

The fourth proportional to 928,995.62, 1,393,159.30 and 321,619.01 is: 482,312.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    928,995.62 : 1,393,159.30 = 321,619.01 : x
  2. Step 2: Convert to fraction form
    928,995.62/1,393,159.30 = 321,619.01/x
  3. Step 3: Cross multiply
    928,995.62x = 1,393,159.30 × 321,619.01
  4. Step 4: Simplify right side
    928,995.62x = 448,066,507,068.45
  5. Step 5: Solve for x
    x = 448,066,507,068.45/928,995.62
  6. Step 6: Final answer
    x = 482,312.83

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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.