Finding the Fourth Proportional to 760,138.44, 1,048,919.58 and 514,623.74
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Solution
The fourth proportional to 760,138.44, 1,048,919.58 and 514,623.74 is: 710,132.38
Step by Step Solution
- Step 1: Write the proportion equation
760,138.44 : 1,048,919.58 = 514,623.74 : x - Step 2: Convert to fraction form
760,138.44/1,048,919.58 = 514,623.74/x - Step 3: Cross multiply
760,138.44x = 1,048,919.58 × 514,623.74 - Step 4: Simplify right side
760,138.44x = 539,798,917,218.83 - Step 5: Solve for x
x = 539,798,917,218.83/760,138.44 - Step 6: Final answer
x = 710,132.38
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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.