Home / 536,631.70-740,549.32-307,187.73

Finding the Fourth Proportional to 536,631.70, 740,549.32 and 307,187.73

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Solution

The fourth proportional to 536,631.70, 740,549.32 and 307,187.73 is: 423,917.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,631.70 : 740,549.32 = 307,187.73 : x
  2. Step 2: Convert to fraction form
    536,631.70/740,549.32 = 307,187.73/x
  3. Step 3: Cross multiply
    536,631.70x = 740,549.32 × 307,187.73
  4. Step 4: Simplify right side
    536,631.70x = 227,487,664,563.84
  5. Step 5: Solve for x
    x = 227,487,664,563.84/536,631.70
  6. Step 6: Final answer
    x = 423,917.68

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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.