Home / 788,559.40-1,183,616.70-389,650.60

Finding the Fourth Proportional to 788,559.40, 1,183,616.70 and 389,650.60

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Solution

The fourth proportional to 788,559.40, 1,183,616.70 and 389,650.60 is: 584,860.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,559.40 : 1,183,616.70 = 389,650.60 : x
  2. Step 2: Convert to fraction form
    788,559.40/1,183,616.70 = 389,650.60/x
  3. Step 3: Cross multiply
    788,559.40x = 1,183,616.70 × 389,650.60
  4. Step 4: Simplify right side
    788,559.40x = 461,196,957,325.02
  5. Step 5: Solve for x
    x = 461,196,957,325.02/788,559.40
  6. Step 6: Final answer
    x = 584,860.14

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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.