Finding the Fourth Proportional to 940,485.66, 1,298,267.10 and 634,975.62
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Solution
The fourth proportional to 940,485.66, 1,298,267.10 and 634,975.62 is: 876,534.32
Step by Step Solution
- Step 1: Write the proportion equation
940,485.66 : 1,298,267.10 = 634,975.62 : x - Step 2: Convert to fraction form
940,485.66/1,298,267.10 = 634,975.62/x - Step 3: Cross multiply
940,485.66x = 1,298,267.10 × 634,975.62 - Step 4: Simplify right side
940,485.66x = 824,367,956,748.10 - Step 5: Solve for x
x = 824,367,956,748.10/940,485.66 - Step 6: Final answer
x = 876,534.32
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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.