Finding the Fourth Proportional to 640,665.99, 883,027.35 and 586,367.43
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Solution
The fourth proportional to 640,665.99, 883,027.35 and 586,367.43 is: 808,187.86
Step by Step Solution
- Step 1: Write the proportion equation
640,665.99 : 883,027.35 = 586,367.43 : x - Step 2: Convert to fraction form
640,665.99/883,027.35 = 586,367.43/x - Step 3: Cross multiply
640,665.99x = 883,027.35 × 586,367.43 - Step 4: Simplify right side
640,665.99x = 517,778,477,839.21 - Step 5: Solve for x
x = 517,778,477,839.21/640,665.99 - Step 6: Final answer
x = 808,187.86
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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.