Home / 562,968.20-776,951.58-321,287.15

Finding the Fourth Proportional to 562,968.20, 776,951.58 and 321,287.15

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Solution

The fourth proportional to 562,968.20, 776,951.58 and 321,287.15 is: 443,407.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,968.20 : 776,951.58 = 321,287.15 : x
  2. Step 2: Convert to fraction form
    562,968.20/776,951.58 = 321,287.15/x
  3. Step 3: Cross multiply
    562,968.20x = 776,951.58 × 321,287.15
  4. Step 4: Simplify right side
    562,968.20x = 249,624,554,941.44
  5. Step 5: Solve for x
    x = 249,624,554,941.44/562,968.20
  6. Step 6: Final answer
    x = 443,407.92

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.