Finding the Fourth Proportional to 809,830.74, 1,215,485.92 and 410,746.98
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Solution
The fourth proportional to 809,830.74, 1,215,485.92 and 410,746.98 is: 616,495.70
Step by Step Solution
- Step 1: Write the proportion equation
809,830.74 : 1,215,485.92 = 410,746.98 : x - Step 2: Convert to fraction form
809,830.74/1,215,485.92 = 410,746.98/x - Step 3: Cross multiply
809,830.74x = 1,215,485.92 × 410,746.98 - Step 4: Simplify right side
809,830.74x = 499,257,170,872.52 - Step 5: Solve for x
x = 499,257,170,872.52/809,830.74 - Step 6: Final answer
x = 616,495.70
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.