Home / 753,622.26-1,039,938.39-431,258.46

Finding the Fourth Proportional to 753,622.26, 1,039,938.39 and 431,258.46

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Solution

The fourth proportional to 753,622.26, 1,039,938.39 and 431,258.46 is: 595,102.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,622.26 : 1,039,938.39 = 431,258.46 : x
  2. Step 2: Convert to fraction form
    753,622.26/1,039,938.39 = 431,258.46/x
  3. Step 3: Cross multiply
    753,622.26x = 1,039,938.39 × 431,258.46
  4. Step 4: Simplify right side
    753,622.26x = 448,482,228,566.28
  5. Step 5: Solve for x
    x = 448,482,228,566.28/753,622.26
  6. Step 6: Final answer
    x = 595,102.15

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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.