Home / 718,810.70-1,076,903.85-437,999.90

Finding the Fourth Proportional to 718,810.70, 1,076,903.85 and 437,999.90

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Solution

The fourth proportional to 718,810.70, 1,076,903.85 and 437,999.90 is: 656,200.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    718,810.70 : 1,076,903.85 = 437,999.90 : x
  2. Step 2: Convert to fraction form
    718,810.70/1,076,903.85 = 437,999.90/x
  3. Step 3: Cross multiply
    718,810.70x = 1,076,903.85 × 437,999.90
  4. Step 4: Simplify right side
    718,810.70x = 471,683,778,609.62
  5. Step 5: Solve for x
    x = 471,683,778,609.62/718,810.70
  6. Step 6: Final answer
    x = 656,200.27

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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.