Home / 780,941.48-1,171,558.86-354,507.24

Finding the Fourth Proportional to 780,941.48, 1,171,558.86 and 354,507.24

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Solution

The fourth proportional to 780,941.48, 1,171,558.86 and 354,507.24 is: 531,827.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    780,941.48 : 1,171,558.86 = 354,507.24 : x
  2. Step 2: Convert to fraction form
    780,941.48/1,171,558.86 = 354,507.24/x
  3. Step 3: Cross multiply
    780,941.48x = 1,171,558.86 × 354,507.24
  4. Step 4: Simplify right side
    780,941.48x = 415,326,097,009.37
  5. Step 5: Solve for x
    x = 415,326,097,009.37/780,941.48
  6. Step 6: Final answer
    x = 531,827.42

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1.5x scale

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.