Finding the Fourth Proportional to 966,430.08, 1,333,474.56 and 558,385.92
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Solution
The fourth proportional to 966,430.08, 1,333,474.56 and 558,385.92 is: 770,457.62
Step by Step Solution
- Step 1: Write the proportion equation
966,430.08 : 1,333,474.56 = 558,385.92 : x - Step 2: Convert to fraction form
966,430.08/1,333,474.56 = 558,385.92/x - Step 3: Cross multiply
966,430.08x = 1,333,474.56 × 558,385.92 - Step 4: Simplify right side
966,430.08x = 744,593,418,982.20 - Step 5: Solve for x
x = 744,593,418,982.20/966,430.08 - Step 6: Final answer
x = 770,457.62
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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.