Finding the Fourth Proportional to 987,058.74, 1,362,141.52 and 534,349.74
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Solution
The fourth proportional to 987,058.74, 1,362,141.52 and 534,349.74 is: 737,402.89
Step by Step Solution
- Step 1: Write the proportion equation
987,058.74 : 1,362,141.52 = 534,349.74 : x - Step 2: Convert to fraction form
987,058.74/1,362,141.52 = 534,349.74/x - Step 3: Cross multiply
987,058.74x = 1,362,141.52 × 534,349.74 - Step 4: Simplify right side
987,058.74x = 727,859,967,055.21 - Step 5: Solve for x
x = 727,859,967,055.21/987,058.74 - Step 6: Final answer
x = 737,402.89
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.