Finding the Fourth Proportional to 478,894.08, 718,808.58 and 395,503.76
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Solution
The fourth proportional to 478,894.08, 718,808.58 and 395,503.76 is: 593,641.70
Step by Step Solution
- Step 1: Write the proportion equation
478,894.08 : 718,808.58 = 395,503.76 : x - Step 2: Convert to fraction form
478,894.08/718,808.58 = 395,503.76/x - Step 3: Cross multiply
478,894.08x = 718,808.58 × 395,503.76 - Step 4: Simplify right side
478,894.08x = 284,291,496,110.26 - Step 5: Solve for x
x = 284,291,496,110.26/478,894.08 - Step 6: Final answer
x = 593,641.70
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.