Home / 540,678.04-746,011.42-322,844.20

Finding the Fourth Proportional to 540,678.04, 746,011.42 and 322,844.20

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Solution

The fourth proportional to 540,678.04, 746,011.42 and 322,844.20 is: 445,450.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,678.04 : 746,011.42 = 322,844.20 : x
  2. Step 2: Convert to fraction form
    540,678.04/746,011.42 = 322,844.20/x
  3. Step 3: Cross multiply
    540,678.04x = 746,011.42 × 322,844.20
  4. Step 4: Simplify right side
    540,678.04x = 240,845,457,408.63
  5. Step 5: Solve for x
    x = 240,845,457,408.63/540,678.04
  6. Step 6: Final answer
    x = 445,450.79

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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.