Finding the Fourth Proportional to 803,616.14, 1,108,987.04 and 441,045.96
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Solution
The fourth proportional to 803,616.14, 1,108,987.04 and 441,045.96 is: 608,641.65
Step by Step Solution
- Step 1: Write the proportion equation
803,616.14 : 1,108,987.04 = 441,045.96 : x - Step 2: Convert to fraction form
803,616.14/1,108,987.04 = 441,045.96/x - Step 3: Cross multiply
803,616.14x = 1,108,987.04 × 441,045.96 - Step 4: Simplify right side
803,616.14x = 489,114,251,479.13 - Step 5: Solve for x
x = 489,114,251,479.13/803,616.14 - Step 6: Final answer
x = 608,641.65
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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.