Home / 489,646.46-733,938.30-190,038.80

Finding the Fourth Proportional to 489,646.46, 733,938.30 and 190,038.80

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Solution

The fourth proportional to 489,646.46, 733,938.30 and 190,038.80 is: 284,851.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,646.46 : 733,938.30 = 190,038.80 : x
  2. Step 2: Convert to fraction form
    489,646.46/733,938.30 = 190,038.80/x
  3. Step 3: Cross multiply
    489,646.46x = 733,938.30 × 190,038.80
  4. Step 4: Simplify right side
    489,646.46x = 139,476,753,806.04
  5. Step 5: Solve for x
    x = 139,476,753,806.04/489,646.46
  6. Step 6: Final answer
    x = 284,851.96

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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.