Finding the Fourth Proportional to 644,644.68, 966,503.86 and 302,895.40
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Solution
The fourth proportional to 644,644.68, 966,503.86 and 302,895.40 is: 454,125.48
Step by Step Solution
- Step 1: Write the proportion equation
644,644.68 : 966,503.86 = 302,895.40 : x - Step 2: Convert to fraction form
644,644.68/966,503.86 = 302,895.40/x - Step 3: Cross multiply
644,644.68x = 966,503.86 × 302,895.40 - Step 4: Simplify right side
644,644.68x = 292,749,573,276.24 - Step 5: Solve for x
x = 292,749,573,276.24/644,644.68 - Step 6: Final answer
x = 454,125.48
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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.