Finding the Fourth Proportional to 506,880.08, 699,419.24 and 307,865.76
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Solution
The fourth proportional to 506,880.08, 699,419.24 and 307,865.76 is: 424,809.03
Step by Step Solution
- Step 1: Write the proportion equation
506,880.08 : 699,419.24 = 307,865.76 : x - Step 2: Convert to fraction form
506,880.08/699,419.24 = 307,865.76/x - Step 3: Cross multiply
506,880.08x = 699,419.24 × 307,865.76 - Step 4: Simplify right side
506,880.08x = 215,327,235,881.22 - Step 5: Solve for x
x = 215,327,235,881.22/506,880.08 - Step 6: Final answer
x = 424,809.03
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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.