Finding the Fourth Proportional to 583,310.07, 804,968.19 and 315,038.07
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Solution
The fourth proportional to 583,310.07, 804,968.19 and 315,038.07 is: 434,752.70
Step by Step Solution
- Step 1: Write the proportion equation
583,310.07 : 804,968.19 = 315,038.07 : x - Step 2: Convert to fraction form
583,310.07/804,968.19 = 315,038.07/x - Step 3: Cross multiply
583,310.07x = 804,968.19 × 315,038.07 - Step 4: Simplify right side
583,310.07x = 253,595,624,988.99 - Step 5: Solve for x
x = 253,595,624,988.99/583,310.07 - Step 6: Final answer
x = 434,752.70
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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.