Finding the Fourth Proportional to 790,368.36, 1,185,555.62 and 191,328.54
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Solution
The fourth proportional to 790,368.36, 1,185,555.62 and 191,328.54 is: 286,993.56
Step by Step Solution
- Step 1: Write the proportion equation
790,368.36 : 1,185,555.62 = 191,328.54 : x - Step 2: Convert to fraction form
790,368.36/1,185,555.62 = 191,328.54/x - Step 3: Cross multiply
790,368.36x = 1,185,555.62 × 191,328.54 - Step 4: Simplify right side
790,368.36x = 226,830,625,863.40 - Step 5: Solve for x
x = 226,830,625,863.40/790,368.36 - Step 6: Final answer
x = 286,993.56
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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.