Finding the Fourth Proportional to 783,002.36, 1,079,515.14 and 565,028.12
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Solution
The fourth proportional to 783,002.36, 1,079,515.14 and 565,028.12 is: 778,996.90
Step by Step Solution
- Step 1: Write the proportion equation
783,002.36 : 1,079,515.14 = 565,028.12 : x - Step 2: Convert to fraction form
783,002.36/1,079,515.14 = 565,028.12/x - Step 3: Cross multiply
783,002.36x = 1,079,515.14 × 565,028.12 - Step 4: Simplify right side
783,002.36x = 609,956,410,065.74 - Step 5: Solve for x
x = 609,956,410,065.74/783,002.36 - Step 6: Final answer
x = 778,996.90
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.