Finding the Fourth Proportional to 912,302.70, 1,368,454.05 and 888,974.70
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Solution
The fourth proportional to 912,302.70, 1,368,454.05 and 888,974.70 is: 1,333,462.05
Step by Step Solution
- Step 1: Write the proportion equation
912,302.70 : 1,368,454.05 = 888,974.70 : x - Step 2: Convert to fraction form
912,302.70/1,368,454.05 = 888,974.70/x - Step 3: Cross multiply
912,302.70x = 1,368,454.05 × 888,974.70 - Step 4: Simplify right side
912,302.70x = 1,216,521,028,562.53 - Step 5: Solve for x
x = 1,216,521,028,562.53/912,302.70 - Step 6: Final answer
x = 1,333,462.05
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.