Finding the Fourth Proportional to 529,760.39, 731,339.80 and 358,582.99
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Solution
The fourth proportional to 529,760.39, 731,339.80 and 358,582.99 is: 495,027.60
Step by Step Solution
- Step 1: Write the proportion equation
529,760.39 : 731,339.80 = 358,582.99 : x - Step 2: Convert to fraction form
529,760.39/731,339.80 = 358,582.99/x - Step 3: Cross multiply
529,760.39x = 731,339.80 × 358,582.99 - Step 4: Simplify right side
529,760.39x = 262,246,011,293.55 - Step 5: Solve for x
x = 262,246,011,293.55/529,760.39 - Step 6: Final answer
x = 495,027.60
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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.