Home / 772,015.40-1,159,059.90-492,770.60

Finding the Fourth Proportional to 772,015.40, 1,159,059.90 and 492,770.60

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Solution

The fourth proportional to 772,015.40, 1,159,059.90 and 492,770.60 is: 739,817.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,015.40 : 1,159,059.90 = 492,770.60 : x
  2. Step 2: Convert to fraction form
    772,015.40/1,159,059.90 = 492,770.60/x
  3. Step 3: Cross multiply
    772,015.40x = 1,159,059.90 × 492,770.60
  4. Step 4: Simplify right side
    772,015.40x = 571,150,642,358.94
  5. Step 5: Solve for x
    x = 571,150,642,358.94/772,015.40
  6. Step 6: Final answer
    x = 739,817.68

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Double scale
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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.