Home / 859,242.81-1,185,792.62-477,269.60

Finding the Fourth Proportional to 859,242.81, 1,185,792.62 and 477,269.60

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Solution

The fourth proportional to 859,242.81, 1,185,792.62 and 477,269.60 is: 658,652.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    859,242.81 : 1,185,792.62 = 477,269.60 : x
  2. Step 2: Convert to fraction form
    859,242.81/1,185,792.62 = 477,269.60/x
  3. Step 3: Cross multiply
    859,242.81x = 1,185,792.62 × 477,269.60
  4. Step 4: Simplify right side
    859,242.81x = 565,942,761,115.04
  5. Step 5: Solve for x
    x = 565,942,761,115.04/859,242.81
  6. Step 6: Final answer
    x = 658,652.89

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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.