Home / 788,534.87-1,182,900.69-308,700.70

Finding the Fourth Proportional to 788,534.87, 1,182,900.69 and 308,700.70

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Solution

The fourth proportional to 788,534.87, 1,182,900.69 and 308,700.70 is: 463,089.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,534.87 : 1,182,900.69 = 308,700.70 : x
  2. Step 2: Convert to fraction form
    788,534.87/1,182,900.69 = 308,700.70/x
  3. Step 3: Cross multiply
    788,534.87x = 1,182,900.69 × 308,700.70
  4. Step 4: Simplify right side
    788,534.87x = 365,162,268,076.23
  5. Step 5: Solve for x
    x = 365,162,268,076.23/788,534.87
  6. Step 6: Final answer
    x = 463,089.57

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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.