Home / 791,059.47-1,091,662.11-428,483.46

Finding the Fourth Proportional to 791,059.47, 1,091,662.11 and 428,483.46

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Solution

The fourth proportional to 791,059.47, 1,091,662.11 and 428,483.46 is: 591,307.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    791,059.47 : 1,091,662.11 = 428,483.46 : x
  2. Step 2: Convert to fraction form
    791,059.47/1,091,662.11 = 428,483.46/x
  3. Step 3: Cross multiply
    791,059.47x = 1,091,662.11 × 428,483.46
  4. Step 4: Simplify right side
    791,059.47x = 467,759,158,043.70
  5. Step 5: Solve for x
    x = 467,759,158,043.70/791,059.47
  6. Step 6: Final answer
    x = 591,307.20

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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.