Home / 788,615.81-1,183,765.75-339,559.01

Finding the Fourth Proportional to 788,615.81, 1,183,765.75 and 339,559.01

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Solution

The fourth proportional to 788,615.81, 1,183,765.75 and 339,559.01 is: 509,701.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,615.81 : 1,183,765.75 = 339,559.01 : x
  2. Step 2: Convert to fraction form
    788,615.81/1,183,765.75 = 339,559.01/x
  3. Step 3: Cross multiply
    788,615.81x = 1,183,765.75 × 339,559.01
  4. Step 4: Simplify right side
    788,615.81x = 401,958,319,374.18
  5. Step 5: Solve for x
    x = 401,958,319,374.18/788,615.81
  6. Step 6: Final answer
    x = 509,701.07

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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.