Home / 780,099.66-1,076,613.93-474,149.30

Finding the Fourth Proportional to 780,099.66, 1,076,613.93 and 474,149.30

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Solution

The fourth proportional to 780,099.66, 1,076,613.93 and 474,149.30 is: 654,372.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    780,099.66 : 1,076,613.93 = 474,149.30 : x
  2. Step 2: Convert to fraction form
    780,099.66/1,076,613.93 = 474,149.30/x
  3. Step 3: Cross multiply
    780,099.66x = 1,076,613.93 × 474,149.30
  4. Step 4: Simplify right side
    780,099.66x = 510,475,735,896.68
  5. Step 5: Solve for x
    x = 510,475,735,896.68/780,099.66
  6. Step 6: Final answer
    x = 654,372.46

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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.