Home / 489,086.40-733,629.60-302,462.40

Finding the Fourth Proportional to 489,086.40, 733,629.60 and 302,462.40

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Solution

The fourth proportional to 489,086.40, 733,629.60 and 302,462.40 is: 453,693.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,086.40 : 733,629.60 = 302,462.40 : x
  2. Step 2: Convert to fraction form
    489,086.40/733,629.60 = 302,462.40/x
  3. Step 3: Cross multiply
    489,086.40x = 733,629.60 × 302,462.40
  4. Step 4: Simplify right side
    489,086.40x = 221,895,369,527.04
  5. Step 5: Solve for x
    x = 221,895,369,527.04/489,086.40
  6. Step 6: Final answer
    x = 453,693.60

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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.