Finding the Fourth Proportional to 946,430.12, 1,305,874.06 and 602,141.76
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Solution
The fourth proportional to 946,430.12, 1,305,874.06 and 602,141.76 is: 830,828.70
Step by Step Solution
- Step 1: Write the proportion equation
946,430.12 : 1,305,874.06 = 602,141.76 : x - Step 2: Convert to fraction form
946,430.12/1,305,874.06 = 602,141.76/x - Step 3: Cross multiply
946,430.12x = 1,305,874.06 × 602,141.76 - Step 4: Simplify right side
946,430.12x = 786,321,304,826.75 - Step 5: Solve for x
x = 786,321,304,826.75/946,430.12 - Step 6: Final answer
x = 830,828.70
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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.