Finding the Fourth Proportional to 529,953.80, 793,601.31 and 316,590.08
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Solution
The fourth proportional to 529,953.80, 793,601.31 and 316,590.08 is: 474,090.95
Step by Step Solution
- Step 1: Write the proportion equation
529,953.80 : 793,601.31 = 316,590.08 : x - Step 2: Convert to fraction form
529,953.80/793,601.31 = 316,590.08/x - Step 3: Cross multiply
529,953.80x = 793,601.31 × 316,590.08 - Step 4: Simplify right side
529,953.80x = 251,246,302,221.01 - Step 5: Solve for x
x = 251,246,302,221.01/529,953.80 - Step 6: Final answer
x = 474,090.95
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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.