Home / 788,615.56-1,183,765.38-339,558.76

Finding the Fourth Proportional to 788,615.56, 1,183,765.38 and 339,558.76

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Solution

The fourth proportional to 788,615.56, 1,183,765.38 and 339,558.76 is: 509,700.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,615.56 : 1,183,765.38 = 339,558.76 : x
  2. Step 2: Convert to fraction form
    788,615.56/1,183,765.38 = 339,558.76/x
  3. Step 3: Cross multiply
    788,615.56x = 1,183,765.38 × 339,558.76
  4. Step 4: Simplify right side
    788,615.56x = 401,957,896,947.11
  5. Step 5: Solve for x
    x = 401,957,896,947.11/788,615.56
  6. Step 6: Final answer
    x = 509,700.70

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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.