Finding the Fourth Proportional to 664,461.20, 917,044.08 and 377,925.96
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Solution
The fourth proportional to 664,461.20, 917,044.08 and 377,925.96 is: 521,587.66
Step by Step Solution
- Step 1: Write the proportion equation
664,461.20 : 917,044.08 = 377,925.96 : x - Step 2: Convert to fraction form
664,461.20/917,044.08 = 377,925.96/x - Step 3: Cross multiply
664,461.20x = 917,044.08 × 377,925.96 - Step 4: Simplify right side
664,461.20x = 346,574,764,296.32 - Step 5: Solve for x
x = 346,574,764,296.32/664,461.20 - Step 6: Final answer
x = 521,587.66
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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.