Home / 750,858.88-1,035,926.24-428,336.32

Finding the Fourth Proportional to 750,858.88, 1,035,926.24 and 428,336.32

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Solution

The fourth proportional to 750,858.88, 1,035,926.24 and 428,336.32 is: 590,956.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    750,858.88 : 1,035,926.24 = 428,336.32 : x
  2. Step 2: Convert to fraction form
    750,858.88/1,035,926.24 = 428,336.32/x
  3. Step 3: Cross multiply
    750,858.88x = 1,035,926.24 × 428,336.32
  4. Step 4: Simplify right side
    750,858.88x = 443,724,833,433.04
  5. Step 5: Solve for x
    x = 443,724,833,433.04/750,858.88
  6. Step 6: Final answer
    x = 590,956.36

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1.5x scale

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.