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Finding the Fourth Proportional to 507,363.38, 700,166.62 and 306,120.50

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Solution

The fourth proportional to 507,363.38, 700,166.62 and 306,120.50 is: 422,449.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,363.38 : 700,166.62 = 306,120.50 : x
  2. Step 2: Convert to fraction form
    507,363.38/700,166.62 = 306,120.50/x
  3. Step 3: Cross multiply
    507,363.38x = 700,166.62 × 306,120.50
  4. Step 4: Simplify right side
    507,363.38x = 214,335,355,797.71
  5. Step 5: Solve for x
    x = 214,335,355,797.71/507,363.38
  6. Step 6: Final answer
    x = 422,449.40

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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.