Finding the Fourth Proportional to 586,958.24, 880,787.12 and 213,010.40
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Solution
The fourth proportional to 586,958.24, 880,787.12 and 213,010.40 is: 319,642.53
Step by Step Solution
- Step 1: Write the proportion equation
586,958.24 : 880,787.12 = 213,010.40 : x - Step 2: Convert to fraction form
586,958.24/880,787.12 = 213,010.40/x - Step 3: Cross multiply
586,958.24x = 880,787.12 × 213,010.40 - Step 4: Simplify right side
586,958.24x = 187,616,816,746.05 - Step 5: Solve for x
x = 187,616,816,746.05/586,958.24 - Step 6: Final answer
x = 319,642.53
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1.5x scale
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.