Finding the Fourth Proportional to 626,988.44, 865,508.64 and 423,315.08
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Solution
The fourth proportional to 626,988.44, 865,508.64 and 423,315.08 is: 584,353.45
Step by Step Solution
- Step 1: Write the proportion equation
626,988.44 : 865,508.64 = 423,315.08 : x - Step 2: Convert to fraction form
626,988.44/865,508.64 = 423,315.08/x - Step 3: Cross multiply
626,988.44x = 865,508.64 × 423,315.08 - Step 4: Simplify right side
626,988.44x = 366,382,859,182.29 - Step 5: Solve for x
x = 366,382,859,182.29/626,988.44 - Step 6: Final answer
x = 584,353.45
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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.