Finding the Fourth Proportional to 463,578.80, 695,368.20 and 402,753.20
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Solution
The fourth proportional to 463,578.80, 695,368.20 and 402,753.20 is: 604,129.80
Step by Step Solution
- Step 1: Write the proportion equation
463,578.80 : 695,368.20 = 402,753.20 : x - Step 2: Convert to fraction form
463,578.80/695,368.20 = 402,753.20/x - Step 3: Cross multiply
463,578.80x = 695,368.20 × 402,753.20 - Step 4: Simplify right side
463,578.80x = 280,061,767,728.24 - Step 5: Solve for x
x = 280,061,767,728.24/463,578.80 - Step 6: Final answer
x = 604,129.80
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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.