Finding the Fourth Proportional to 476,656.79, 717,562.08 and 434,234.84
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Solution
The fourth proportional to 476,656.79, 717,562.08 and 434,234.84 is: 653,699.81
Step by Step Solution
- Step 1: Write the proportion equation
476,656.79 : 717,562.08 = 434,234.84 : x - Step 2: Convert to fraction form
476,656.79/717,562.08 = 434,234.84/x - Step 3: Cross multiply
476,656.79x = 717,562.08 × 434,234.84 - Step 4: Simplify right side
476,656.79x = 311,590,451,411.06 - Step 5: Solve for x
x = 311,590,451,411.06/476,656.79 - Step 6: Final answer
x = 653,699.81
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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.