Finding the Fourth Proportional to 917,514.20, 1,376,271.48 and 286,482.08
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Solution
The fourth proportional to 917,514.20, 1,376,271.48 and 286,482.08 is: 429,723.18
Step by Step Solution
- Step 1: Write the proportion equation
917,514.20 : 1,376,271.48 = 286,482.08 : x - Step 2: Convert to fraction form
917,514.20/1,376,271.48 = 286,482.08/x - Step 3: Cross multiply
917,514.20x = 1,376,271.48 × 286,482.08 - Step 4: Simplify right side
917,514.20x = 394,277,116,235.08 - Step 5: Solve for x
x = 394,277,116,235.08/917,514.20 - Step 6: Final answer
x = 429,723.18
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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.