Finding the Fourth Proportional to 918,511.58, 1,267,446.74 and 510,630.96
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Solution
The fourth proportional to 918,511.58, 1,267,446.74 and 510,630.96 is: 704,615.55
Step by Step Solution
- Step 1: Write the proportion equation
918,511.58 : 1,267,446.74 = 510,630.96 : x - Step 2: Convert to fraction form
918,511.58/1,267,446.74 = 510,630.96/x - Step 3: Cross multiply
918,511.58x = 1,267,446.74 × 510,630.96 - Step 4: Simplify right side
918,511.58x = 647,197,545,595.07 - Step 5: Solve for x
x = 647,197,545,595.07/918,511.58 - Step 6: Final answer
x = 704,615.55
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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.