Finding the Fourth Proportional to 971,887.50, 1,341,471.50 and 564,120.71
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Solution
The fourth proportional to 971,887.50, 1,341,471.50 and 564,120.71 is: 778,641.42
Step by Step Solution
- Step 1: Write the proportion equation
971,887.50 : 1,341,471.50 = 564,120.71 : x - Step 2: Convert to fraction form
971,887.50/1,341,471.50 = 564,120.71/x - Step 3: Cross multiply
971,887.50x = 1,341,471.50 × 564,120.71 - Step 4: Simplify right side
971,887.50x = 756,751,861,201.98 - Step 5: Solve for x
x = 756,751,861,201.98/971,887.50 - Step 6: Final answer
x = 778,641.42
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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.