Home / 908,136.90-1,361,622.15-375,869.70

Finding the Fourth Proportional to 908,136.90, 1,361,622.15 and 375,869.70

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Solution

The fourth proportional to 908,136.90, 1,361,622.15 and 375,869.70 is: 563,563.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,136.90 : 1,361,622.15 = 375,869.70 : x
  2. Step 2: Convert to fraction form
    908,136.90/1,361,622.15 = 375,869.70/x
  3. Step 3: Cross multiply
    908,136.90x = 1,361,622.15 × 375,869.70
  4. Step 4: Simplify right side
    908,136.90x = 511,792,509,033.86
  5. Step 5: Solve for x
    x = 511,792,509,033.86/908,136.90
  6. Step 6: Final answer
    x = 563,563.17

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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.