Finding the Fourth Proportional to 634,654.60, 875,878.68 and 348,230.68
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Solution
The fourth proportional to 634,654.60, 875,878.68 and 348,230.68 is: 480,588.70
Step by Step Solution
- Step 1: Write the proportion equation
634,654.60 : 875,878.68 = 348,230.68 : x - Step 2: Convert to fraction form
634,654.60/875,878.68 = 348,230.68/x - Step 3: Cross multiply
634,654.60x = 875,878.68 × 348,230.68 - Step 4: Simplify right side
634,654.60x = 305,007,828,333.90 - Step 5: Solve for x
x = 305,007,828,333.90/634,654.60 - Step 6: Final answer
x = 480,588.70
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.