Finding the Fourth Proportional to 891,016.08, 1,336,213.08 and 358,398.96
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Solution
The fourth proportional to 891,016.08, 1,336,213.08 and 358,398.96 is: 537,473.33
Step by Step Solution
- Step 1: Write the proportion equation
891,016.08 : 1,336,213.08 = 358,398.96 : x - Step 2: Convert to fraction form
891,016.08/1,336,213.08 = 358,398.96/x - Step 3: Cross multiply
891,016.08x = 1,336,213.08 × 358,398.96 - Step 4: Simplify right side
891,016.08x = 478,897,378,210.40 - Step 5: Solve for x
x = 478,897,378,210.40/891,016.08 - Step 6: Final answer
x = 537,473.33
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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.