Finding the Fourth Proportional to 895,344.16, 1,235,536.62 and 487,437.28
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Solution
The fourth proportional to 895,344.16, 1,235,536.62 and 487,437.28 is: 672,642.58
Step by Step Solution
- Step 1: Write the proportion equation
895,344.16 : 1,235,536.62 = 487,437.28 : x - Step 2: Convert to fraction form
895,344.16/1,235,536.62 = 487,437.28/x - Step 3: Cross multiply
895,344.16x = 1,235,536.62 × 487,437.28 - Step 4: Simplify right side
895,344.16x = 602,246,609,393.19 - Step 5: Solve for x
x = 602,246,609,393.19/895,344.16 - Step 6: Final answer
x = 672,642.58
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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.