Finding the Fourth Proportional to 559,495.18, 772,081.68 and 304,848.28
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Solution
The fourth proportional to 559,495.18, 772,081.68 and 304,848.28 is: 420,678.82
Step by Step Solution
- Step 1: Write the proportion equation
559,495.18 : 772,081.68 = 304,848.28 : x - Step 2: Convert to fraction form
559,495.18/772,081.68 = 304,848.28/x - Step 3: Cross multiply
559,495.18x = 772,081.68 × 304,848.28 - Step 4: Simplify right side
559,495.18x = 235,367,772,167.51 - Step 5: Solve for x
x = 235,367,772,167.51/559,495.18 - Step 6: Final answer
x = 420,678.82
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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.