Finding the Fourth Proportional to 527,251.60, 791,402.28 and 290,705.68
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Solution
The fourth proportional to 527,251.60, 791,402.28 and 290,705.68 is: 436,347.92
Step by Step Solution
- Step 1: Write the proportion equation
527,251.60 : 791,402.28 = 290,705.68 : x - Step 2: Convert to fraction form
527,251.60/791,402.28 = 290,705.68/x - Step 3: Cross multiply
527,251.60x = 791,402.28 × 290,705.68 - Step 4: Simplify right side
527,251.60x = 230,065,137,960.95 - Step 5: Solve for x
x = 230,065,137,960.95/527,251.60 - Step 6: Final answer
x = 436,347.92
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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.