Finding the Fourth Proportional to 463,750.20, 695,625.30 and 432,415.80
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Solution
The fourth proportional to 463,750.20, 695,625.30 and 432,415.80 is: 648,623.70
Step by Step Solution
- Step 1: Write the proportion equation
463,750.20 : 695,625.30 = 432,415.80 : x - Step 2: Convert to fraction form
463,750.20/695,625.30 = 432,415.80/x - Step 3: Cross multiply
463,750.20x = 695,625.30 × 432,415.80 - Step 4: Simplify right side
463,750.20x = 300,799,370,599.74 - Step 5: Solve for x
x = 300,799,370,599.74/463,750.20 - Step 6: Final answer
x = 648,623.70
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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.