Finding the Fourth Proportional to 690,737.18, 953,202.84 and 384,813.14
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Solution
The fourth proportional to 690,737.18, 953,202.84 and 384,813.14 is: 531,034.07
Step by Step Solution
- Step 1: Write the proportion equation
690,737.18 : 953,202.84 = 384,813.14 : x - Step 2: Convert to fraction form
690,737.18/953,202.84 = 384,813.14/x - Step 3: Cross multiply
690,737.18x = 953,202.84 × 384,813.14 - Step 4: Simplify right side
690,737.18x = 366,804,977,917.32 - Step 5: Solve for x
x = 366,804,977,917.32/690,737.18 - Step 6: Final answer
x = 531,034.07
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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.