Finding the Fourth Proportional to 971,951.76, 1,340,836.20 and 632,296.08
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Solution
The fourth proportional to 971,951.76, 1,340,836.20 and 632,296.08 is: 872,271.14
Step by Step Solution
- Step 1: Write the proportion equation
971,951.76 : 1,340,836.20 = 632,296.08 : x - Step 2: Convert to fraction form
971,951.76/1,340,836.20 = 632,296.08/x - Step 3: Cross multiply
971,951.76x = 1,340,836.20 × 632,296.08 - Step 4: Simplify right side
971,951.76x = 847,805,473,182.10 - Step 5: Solve for x
x = 847,805,473,182.10/971,951.76 - Step 6: Final answer
x = 872,271.14
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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.