Finding the Fourth Proportional to 970,216.68, 1,329,201.64 and 933,853.74
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Solution
The fourth proportional to 970,216.68, 1,329,201.64 and 933,853.74 is: 1,279,384.23
Step by Step Solution
- Step 1: Write the proportion equation
970,216.68 : 1,329,201.64 = 933,853.74 : x - Step 2: Convert to fraction form
970,216.68/1,329,201.64 = 933,853.74/x - Step 3: Cross multiply
970,216.68x = 1,329,201.64 × 933,853.74 - Step 4: Simplify right side
970,216.68x = 1,241,279,922,728.13 - Step 5: Solve for x
x = 1,241,279,922,728.13/970,216.68 - Step 6: Final answer
x = 1,279,384.23
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Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.