Finding the Fourth Proportional to 603,948.60, 904,829.40 and 478,414.80
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Solution
The fourth proportional to 603,948.60, 904,829.40 and 478,414.80 is: 716,755.99
Step by Step Solution
- Step 1: Write the proportion equation
603,948.60 : 904,829.40 = 478,414.80 : x - Step 2: Convert to fraction form
603,948.60/904,829.40 = 478,414.80/x - Step 3: Cross multiply
603,948.60x = 904,829.40 × 478,414.80 - Step 4: Simplify right side
603,948.60x = 432,883,776,435.12 - Step 5: Solve for x
x = 432,883,776,435.12/603,948.60 - Step 6: Final answer
x = 716,755.99
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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.