Home / 791,185.74-1,091,914.47-451,705.02

Finding the Fourth Proportional to 791,185.74, 1,091,914.47 and 451,705.02

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Solution

The fourth proportional to 791,185.74, 1,091,914.47 and 451,705.02 is: 623,397.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    791,185.74 : 1,091,914.47 = 451,705.02 : x
  2. Step 2: Convert to fraction form
    791,185.74/1,091,914.47 = 451,705.02/x
  3. Step 3: Cross multiply
    791,185.74x = 1,091,914.47 × 451,705.02
  4. Step 4: Simplify right side
    791,185.74x = 493,223,247,509.64
  5. Step 5: Solve for x
    x = 493,223,247,509.64/791,185.74
  6. Step 6: Final answer
    x = 623,397.54

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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.