Home / 790,945.59-1,091,503.20-428,368.35

Finding the Fourth Proportional to 790,945.59, 1,091,503.20 and 428,368.35

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Solution

The fourth proportional to 790,945.59, 1,091,503.20 and 428,368.35 is: 591,147.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,945.59 : 1,091,503.20 = 428,368.35 : x
  2. Step 2: Convert to fraction form
    790,945.59/1,091,503.20 = 428,368.35/x
  3. Step 3: Cross multiply
    790,945.59x = 1,091,503.20 × 428,368.35
  4. Step 4: Simplify right side
    790,945.59x = 467,565,424,803.72
  5. Step 5: Solve for x
    x = 467,565,424,803.72/790,945.59
  6. Step 6: Final answer
    x = 591,147.39

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.