Finding the Fourth Proportional to 959,458.83, 1,439,185.40 and 390,705.99
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Solution
The fourth proportional to 959,458.83, 1,439,185.40 and 390,705.99 is: 586,057.83
Step by Step Solution
- Step 1: Write the proportion equation
959,458.83 : 1,439,185.40 = 390,705.99 : x - Step 2: Convert to fraction form
959,458.83/1,439,185.40 = 390,705.99/x - Step 3: Cross multiply
959,458.83x = 1,439,185.40 × 390,705.99 - Step 4: Simplify right side
959,458.83x = 562,298,356,500.55 - Step 5: Solve for x
x = 562,298,356,500.55/959,458.83 - Step 6: Final answer
x = 586,057.83
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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.