Home / 489,110.40-733,665.60-302,227.20

Finding the Fourth Proportional to 489,110.40, 733,665.60 and 302,227.20

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Solution

The fourth proportional to 489,110.40, 733,665.60 and 302,227.20 is: 453,340.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,110.40 : 733,665.60 = 302,227.20 : x
  2. Step 2: Convert to fraction form
    489,110.40/733,665.60 = 302,227.20/x
  3. Step 3: Cross multiply
    489,110.40x = 733,665.60 × 302,227.20
  4. Step 4: Simplify right side
    489,110.40x = 221,733,700,024.32
  5. Step 5: Solve for x
    x = 221,733,700,024.32/489,110.40
  6. Step 6: Final answer
    x = 453,340.80

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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.