Home / 788,990.58-1,183,485.86-655,966.30

Finding the Fourth Proportional to 788,990.58, 1,183,485.86 and 655,966.30

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Solution

The fourth proportional to 788,990.58, 1,183,485.86 and 655,966.30 is: 983,949.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,990.58 : 1,183,485.86 = 655,966.30 : x
  2. Step 2: Convert to fraction form
    788,990.58/1,183,485.86 = 655,966.30/x
  3. Step 3: Cross multiply
    788,990.58x = 1,183,485.86 × 655,966.30
  4. Step 4: Simplify right side
    788,990.58x = 776,326,840,686.52
  5. Step 5: Solve for x
    x = 776,326,840,686.52/788,990.58
  6. Step 6: Final answer
    x = 983,949.44

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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.