Finding the Fourth Proportional to 698,373.99, 963,725.02 and 408,012.48
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Solution
The fourth proportional to 698,373.99, 963,725.02 and 408,012.48 is: 563,039.06
Step by Step Solution
- Step 1: Write the proportion equation
698,373.99 : 963,725.02 = 408,012.48 : x - Step 2: Convert to fraction form
698,373.99/963,725.02 = 408,012.48/x - Step 3: Cross multiply
698,373.99x = 963,725.02 × 408,012.48 - Step 4: Simplify right side
698,373.99x = 393,211,835,448.25 - Step 5: Solve for x
x = 393,211,835,448.25/698,373.99 - Step 6: Final answer
x = 563,039.06
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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.