Finding the Fourth Proportional to 634,878.15, 876,088.71 and 348,416.69
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Solution
The fourth proportional to 634,878.15, 876,088.71 and 348,416.69 is: 480,791.35
Step by Step Solution
- Step 1: Write the proportion equation
634,878.15 : 876,088.71 = 348,416.69 : x - Step 2: Convert to fraction form
634,878.15/876,088.71 = 348,416.69/x - Step 3: Cross multiply
634,878.15x = 876,088.71 × 348,416.69 - Step 4: Simplify right side
634,878.15x = 305,243,924,104.13 - Step 5: Solve for x
x = 305,243,924,104.13/634,878.15 - Step 6: Final answer
x = 480,791.35
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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.