Finding the Fourth Proportional to 779,126.58, 1,168,756.47 and 273,643.55
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Solution
The fourth proportional to 779,126.58, 1,168,756.47 and 273,643.55 is: 410,488.71
Step by Step Solution
- Step 1: Write the proportion equation
779,126.58 : 1,168,756.47 = 273,643.55 : x - Step 2: Convert to fraction form
779,126.58/1,168,756.47 = 273,643.55/x - Step 3: Cross multiply
779,126.58x = 1,168,756.47 × 273,643.55 - Step 4: Simplify right side
779,126.58x = 319,822,662,324.27 - Step 5: Solve for x
x = 319,822,662,324.27/779,126.58 - Step 6: Final answer
x = 410,488.71
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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.