Finding the Fourth Proportional to 617,354.64, 930,658.91 and 576,204.75
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Solution
The fourth proportional to 617,354.64, 930,658.91 and 576,204.75 is: 868,625.66
Step by Step Solution
- Step 1: Write the proportion equation
617,354.64 : 930,658.91 = 576,204.75 : x - Step 2: Convert to fraction form
617,354.64/930,658.91 = 576,204.75/x - Step 3: Cross multiply
617,354.64x = 930,658.91 × 576,204.75 - Step 4: Simplify right side
617,354.64x = 536,250,081,690.80 - Step 5: Solve for x
x = 536,250,081,690.80/617,354.64 - Step 6: Final answer
x = 868,625.66
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Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.