Home / 414,166.28-621,558.06-307,795.40

Finding the Fourth Proportional to 414,166.28, 621,558.06 and 307,795.40

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Solution

The fourth proportional to 414,166.28, 621,558.06 and 307,795.40 is: 461,922.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    414,166.28 : 621,558.06 = 307,795.40 : x
  2. Step 2: Convert to fraction form
    414,166.28/621,558.06 = 307,795.40/x
  3. Step 3: Cross multiply
    414,166.28x = 621,558.06 × 307,795.40
  4. Step 4: Simplify right side
    414,166.28x = 191,312,711,700.92
  5. Step 5: Solve for x
    x = 191,312,711,700.92/414,166.28
  6. Step 6: Final answer
    x = 461,922.47

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.