Finding the Fourth Proportional to 855,455.68, 1,180,514.52 and 473,474.28
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Solution
The fourth proportional to 855,455.68, 1,180,514.52 and 473,474.28 is: 653,386.58
Step by Step Solution
- Step 1: Write the proportion equation
855,455.68 : 1,180,514.52 = 473,474.28 : x - Step 2: Convert to fraction form
855,455.68/1,180,514.52 = 473,474.28/x - Step 3: Cross multiply
855,455.68x = 1,180,514.52 × 473,474.28 - Step 4: Simplify right side
855,455.68x = 558,943,262,386.55 - Step 5: Solve for x
x = 558,943,262,386.55/855,455.68 - Step 6: Final answer
x = 653,386.58
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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.