Finding the Fourth Proportional to 826,854.54, 1,141,044.75 and 464,281.26
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Solution
The fourth proportional to 826,854.54, 1,141,044.75 and 464,281.26 is: 640,699.99
Step by Step Solution
- Step 1: Write the proportion equation
826,854.54 : 1,141,044.75 = 464,281.26 : x - Step 2: Convert to fraction form
826,854.54/1,141,044.75 = 464,281.26/x - Step 3: Cross multiply
826,854.54x = 1,141,044.75 × 464,281.26 - Step 4: Simplify right side
826,854.54x = 529,765,694,246.39 - Step 5: Solve for x
x = 529,765,694,246.39/826,854.54 - Step 6: Final answer
x = 640,699.99
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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.