Finding the Fourth Proportional to 704,209.68, 971,933.58 and 417,887.64
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Solution
The fourth proportional to 704,209.68, 971,933.58 and 417,887.64 is: 576,758.66
Step by Step Solution
- Step 1: Write the proportion equation
704,209.68 : 971,933.58 = 417,887.64 : x - Step 2: Convert to fraction form
704,209.68/971,933.58 = 417,887.64/x - Step 3: Cross multiply
704,209.68x = 971,933.58 × 417,887.64 - Step 4: Simplify right side
704,209.68x = 406,159,029,982.95 - Step 5: Solve for x
x = 406,159,029,982.95/704,209.68 - Step 6: Final answer
x = 576,758.66
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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.