Finding the Fourth Proportional to 887,711.70, 1,331,567.55 and 745,994.10
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Solution
The fourth proportional to 887,711.70, 1,331,567.55 and 745,994.10 is: 1,118,991.15
Step by Step Solution
- Step 1: Write the proportion equation
887,711.70 : 1,331,567.55 = 745,994.10 : x - Step 2: Convert to fraction form
887,711.70/1,331,567.55 = 745,994.10/x - Step 3: Cross multiply
887,711.70x = 1,331,567.55 × 745,994.10 - Step 4: Simplify right side
887,711.70x = 993,341,536,051.46 - Step 5: Solve for x
x = 993,341,536,051.46/887,711.70 - Step 6: Final answer
x = 1,118,991.15
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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.