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Finding the Fourth Proportional to 531,745.40, 733,624.94 and 340,863.80

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Solution

The fourth proportional to 531,745.40, 733,624.94 and 340,863.80 is: 470,274.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,745.40 : 733,624.94 = 340,863.80 : x
  2. Step 2: Convert to fraction form
    531,745.40/733,624.94 = 340,863.80/x
  3. Step 3: Cross multiply
    531,745.40x = 733,624.94 × 340,863.80
  4. Step 4: Simplify right side
    531,745.40x = 250,066,184,823.17
  5. Step 5: Solve for x
    x = 250,066,184,823.17/531,745.40
  6. Step 6: Final answer
    x = 470,274.28

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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.