Finding the Fourth Proportional to 660,055.74, 989,924.97 and 304,728.48
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Solution
The fourth proportional to 660,055.74, 989,924.97 and 304,728.48 is: 457,019.48
Step by Step Solution
- Step 1: Write the proportion equation
660,055.74 : 989,924.97 = 304,728.48 : x - Step 2: Convert to fraction form
660,055.74/989,924.97 = 304,728.48/x - Step 3: Cross multiply
660,055.74x = 989,924.97 × 304,728.48 - Step 4: Simplify right side
660,055.74x = 301,658,331,422.15 - Step 5: Solve for x
x = 301,658,331,422.15/660,055.74 - Step 6: Final answer
x = 457,019.48
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.