Finding the Fourth Proportional to 776,023.31, 1,070,901.19 and 436,490.75
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Solution
The fourth proportional to 776,023.31, 1,070,901.19 and 436,490.75 is: 602,351.06
Step by Step Solution
- Step 1: Write the proportion equation
776,023.31 : 1,070,901.19 = 436,490.75 : x - Step 2: Convert to fraction form
776,023.31/1,070,901.19 = 436,490.75/x - Step 3: Cross multiply
776,023.31x = 1,070,901.19 × 436,490.75 - Step 4: Simplify right side
776,023.31x = 467,438,463,598.99 - Step 5: Solve for x
x = 467,438,463,598.99/776,023.31 - Step 6: Final answer
x = 602,351.06
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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.