Finding the Fourth Proportional to 463,657.80, 695,486.70 and 432,553.80
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Solution
The fourth proportional to 463,657.80, 695,486.70 and 432,553.80 is: 648,830.70
Step by Step Solution
- Step 1: Write the proportion equation
463,657.80 : 695,486.70 = 432,553.80 : x - Step 2: Convert to fraction form
463,657.80/695,486.70 = 432,553.80/x - Step 3: Cross multiply
463,657.80x = 695,486.70 × 432,553.80 - Step 4: Simplify right side
463,657.80x = 300,835,414,934.46 - Step 5: Solve for x
x = 300,835,414,934.46/463,657.80 - Step 6: Final answer
x = 648,830.70
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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.