Home / 869,087.70-1,303,696.35-308,049.30

Finding the Fourth Proportional to 869,087.70, 1,303,696.35 and 308,049.30

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Solution

The fourth proportional to 869,087.70, 1,303,696.35 and 308,049.30 is: 462,096.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    869,087.70 : 1,303,696.35 = 308,049.30 : x
  2. Step 2: Convert to fraction form
    869,087.70/1,303,696.35 = 308,049.30/x
  3. Step 3: Cross multiply
    869,087.70x = 1,303,696.35 × 308,049.30
  4. Step 4: Simplify right side
    869,087.70x = 401,602,748,030.06
  5. Step 5: Solve for x
    x = 401,602,748,030.06/869,087.70
  6. Step 6: Final answer
    x = 462,096.92

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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.