Finding the Fourth Proportional to 472,627.26, 708,307.63 and 442,359.99
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Solution
The fourth proportional to 472,627.26, 708,307.63 and 442,359.99 is: 662,947.27
Step by Step Solution
- Step 1: Write the proportion equation
472,627.26 : 708,307.63 = 442,359.99 : x - Step 2: Convert to fraction form
472,627.26/708,307.63 = 442,359.99/x - Step 3: Cross multiply
472,627.26x = 708,307.63 × 442,359.99 - Step 4: Simplify right side
472,627.26x = 313,326,950,370.39 - Step 5: Solve for x
x = 313,326,950,370.39/472,627.26 - Step 6: Final answer
x = 662,947.27
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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.