Finding the Fourth Proportional to 663,926.52, 916,214.28 and 377,446.68
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Solution
The fourth proportional to 663,926.52, 916,214.28 and 377,446.68 is: 520,873.96
Step by Step Solution
- Step 1: Write the proportion equation
663,926.52 : 916,214.28 = 377,446.68 : x - Step 2: Convert to fraction form
663,926.52/916,214.28 = 377,446.68/x - Step 3: Cross multiply
663,926.52x = 916,214.28 × 377,446.68 - Step 4: Simplify right side
663,926.52x = 345,822,038,154.59 - Step 5: Solve for x
x = 345,822,038,154.59/663,926.52 - Step 6: Final answer
x = 520,873.96
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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.