Finding the Fourth Proportional to 788,506.08, 1,088,138.84 and 425,929.96
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Solution
The fourth proportional to 788,506.08, 1,088,138.84 and 425,929.96 is: 587,783.59
Step by Step Solution
- Step 1: Write the proportion equation
788,506.08 : 1,088,138.84 = 425,929.96 : x - Step 2: Convert to fraction form
788,506.08/1,088,138.84 = 425,929.96/x - Step 3: Cross multiply
788,506.08x = 1,088,138.84 × 425,929.96 - Step 4: Simplify right side
788,506.08x = 463,470,932,595.65 - Step 5: Solve for x
x = 463,470,932,595.65/788,506.08 - Step 6: Final answer
x = 587,783.59
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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.