Finding the Fourth Proportional to 538,988.19, 743,030.73 and 424,068.63
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Solution
The fourth proportional to 538,988.19, 743,030.73 and 424,068.63 is: 584,606.55
Step by Step Solution
- Step 1: Write the proportion equation
538,988.19 : 743,030.73 = 424,068.63 : x - Step 2: Convert to fraction form
538,988.19/743,030.73 = 424,068.63/x - Step 3: Cross multiply
538,988.19x = 743,030.73 × 424,068.63 - Step 4: Simplify right side
538,988.19x = 315,096,023,719.00 - Step 5: Solve for x
x = 315,096,023,719.00/538,988.19 - Step 6: Final answer
x = 584,606.55
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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.