Home / 716,988.20-1,076,000.70-401,109.80

Finding the Fourth Proportional to 716,988.20, 1,076,000.70 and 401,109.80

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Solution

The fourth proportional to 716,988.20, 1,076,000.70 and 401,109.80 is: 601,954.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    716,988.20 : 1,076,000.70 = 401,109.80 : x
  2. Step 2: Convert to fraction form
    716,988.20/1,076,000.70 = 401,109.80/x
  3. Step 3: Cross multiply
    716,988.20x = 1,076,000.70 × 401,109.80
  4. Step 4: Simplify right side
    716,988.20x = 431,594,425,576.86
  5. Step 5: Solve for x
    x = 431,594,425,576.86/716,988.20
  6. Step 6: Final answer
    x = 601,954.71

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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.