Finding the Fourth Proportional to 887,329.70, 1,330,994.55 and 414,937.70
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Solution
The fourth proportional to 887,329.70, 1,330,994.55 and 414,937.70 is: 622,406.55
Step by Step Solution
- Step 1: Write the proportion equation
887,329.70 : 1,330,994.55 = 414,937.70 : x - Step 2: Convert to fraction form
887,329.70/1,330,994.55 = 414,937.70/x - Step 3: Cross multiply
887,329.70x = 1,330,994.55 × 414,937.70 - Step 4: Simplify right side
887,329.70x = 552,279,817,289.54 - Step 5: Solve for x
x = 552,279,817,289.54/887,329.70 - Step 6: Final answer
x = 622,406.55
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1.5x scale
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.