Finding the Fourth Proportional to 474,140.64, 711,766.08 and 374,368.08
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Solution
The fourth proportional to 474,140.64, 711,766.08 and 374,368.08 is: 561,990.43
Step by Step Solution
- Step 1: Write the proportion equation
474,140.64 : 711,766.08 = 374,368.08 : x - Step 2: Convert to fraction form
474,140.64/711,766.08 = 374,368.08/x - Step 3: Cross multiply
474,140.64x = 711,766.08 × 374,368.08 - Step 4: Simplify right side
474,140.64x = 266,462,500,778.73 - Step 5: Solve for x
x = 266,462,500,778.73/474,140.64 - Step 6: Final answer
x = 561,990.43
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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.