Finding the Fourth Proportional to 647,594.70, 971,392.05 and 512,292.30
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Solution
The fourth proportional to 647,594.70, 971,392.05 and 512,292.30 is: 768,438.45
Step by Step Solution
- Step 1: Write the proportion equation
647,594.70 : 971,392.05 = 512,292.30 : x - Step 2: Convert to fraction form
647,594.70/971,392.05 = 512,292.30/x - Step 3: Cross multiply
647,594.70x = 971,392.05 × 512,292.30 - Step 4: Simplify right side
647,594.70x = 497,636,667,496.22 - Step 5: Solve for x
x = 497,636,667,496.22/647,594.70 - Step 6: Final answer
x = 768,438.45
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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.