Finding the Fourth Proportional to 648,787.19, 895,328.24 and 362,318.13
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Solution
The fourth proportional to 648,787.19, 895,328.24 and 362,318.13 is: 500,000.09
Step by Step Solution
- Step 1: Write the proportion equation
648,787.19 : 895,328.24 = 362,318.13 : x - Step 2: Convert to fraction form
648,787.19/895,328.24 = 362,318.13/x - Step 3: Cross multiply
648,787.19x = 895,328.24 × 362,318.13 - Step 4: Simplify right side
648,787.19x = 324,393,651,841.40 - Step 5: Solve for x
x = 324,393,651,841.40/648,787.19 - Step 6: Final answer
x = 500,000.09
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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.