Home / 788,603.40-1,183,682.70-389,694.60

Finding the Fourth Proportional to 788,603.40, 1,183,682.70 and 389,694.60

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Solution

The fourth proportional to 788,603.40, 1,183,682.70 and 389,694.60 is: 584,926.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,603.40 : 1,183,682.70 = 389,694.60 : x
  2. Step 2: Convert to fraction form
    788,603.40/1,183,682.70 = 389,694.60/x
  3. Step 3: Cross multiply
    788,603.40x = 1,183,682.70 × 389,694.60
  4. Step 4: Simplify right side
    788,603.40x = 461,274,756,303.42
  5. Step 5: Solve for x
    x = 461,274,756,303.42/788,603.40
  6. Step 6: Final answer
    x = 584,926.16

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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.