Finding the Fourth Proportional to 887,378.20, 1,330,289.70 and 532,533.40
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Solution
The fourth proportional to 887,378.20, 1,330,289.70 and 532,533.40 is: 798,333.45
Step by Step Solution
- Step 1: Write the proportion equation
887,378.20 : 1,330,289.70 = 532,533.40 : x - Step 2: Convert to fraction form
887,378.20/1,330,289.70 = 532,533.40/x - Step 3: Cross multiply
887,378.20x = 1,330,289.70 × 532,533.40 - Step 4: Simplify right side
887,378.20x = 708,423,696,925.98 - Step 5: Solve for x
x = 708,423,696,925.98/887,378.20 - Step 6: Final answer
x = 798,333.45
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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.