Finding the Fourth Proportional to 932,763.20, 1,287,214.74 and 524,887.70
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Solution
The fourth proportional to 932,763.20, 1,287,214.74 and 524,887.70 is: 724,345.88
Step by Step Solution
- Step 1: Write the proportion equation
932,763.20 : 1,287,214.74 = 524,887.70 : x - Step 2: Convert to fraction form
932,763.20/1,287,214.74 = 524,887.70/x - Step 3: Cross multiply
932,763.20x = 1,287,214.74 × 524,887.70 - Step 4: Simplify right side
932,763.20x = 675,643,177,848.62 - Step 5: Solve for x
x = 675,643,177,848.62/932,763.20 - Step 6: Final answer
x = 724,345.88
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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.