Finding the Fourth Proportional to 984,177.18, 1,358,214.87 and 602,084.70
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Solution
The fourth proportional to 984,177.18, 1,358,214.87 and 602,084.70 is: 830,907.70
Step by Step Solution
- Step 1: Write the proportion equation
984,177.18 : 1,358,214.87 = 602,084.70 : x - Step 2: Convert to fraction form
984,177.18/1,358,214.87 = 602,084.70/x - Step 3: Cross multiply
984,177.18x = 1,358,214.87 × 602,084.70 - Step 4: Simplify right side
984,177.18x = 817,760,392,539.49 - Step 5: Solve for x
x = 817,760,392,539.49/984,177.18 - Step 6: Final answer
x = 830,907.70
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1.5x scale
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.