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Finding the Fourth Proportional to 507,359.46, 700,073.78 and 303,494.61

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Solution

The fourth proportional to 507,359.46, 700,073.78 and 303,494.61 is: 418,773.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,359.46 : 700,073.78 = 303,494.61 : x
  2. Step 2: Convert to fraction form
    507,359.46/700,073.78 = 303,494.61/x
  3. Step 3: Cross multiply
    507,359.46x = 700,073.78 × 303,494.61
  4. Step 4: Simplify right side
    507,359.46x = 212,468,617,314.85
  5. Step 5: Solve for x
    x = 212,468,617,314.85/507,359.46
  6. Step 6: Final answer
    x = 418,773.34

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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.