Finding the Fourth Proportional to 553,701.80, 831,474.30 and 304,562.60
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Solution
The fourth proportional to 553,701.80, 831,474.30 and 304,562.60 is: 457,350.82
Step by Step Solution
- Step 1: Write the proportion equation
553,701.80 : 831,474.30 = 304,562.60 : x - Step 2: Convert to fraction form
553,701.80/831,474.30 = 304,562.60/x - Step 3: Cross multiply
553,701.80x = 831,474.30 × 304,562.60 - Step 4: Simplify right side
553,701.80x = 253,235,974,641.18 - Step 5: Solve for x
x = 253,235,974,641.18/553,701.80 - Step 6: Final answer
x = 457,350.82
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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.