Finding the Fourth Proportional to 626,964.41, 865,475.68 and 423,291.26
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Solution
The fourth proportional to 626,964.41, 865,475.68 and 423,291.26 is: 584,320.71
Step by Step Solution
- Step 1: Write the proportion equation
626,964.41 : 865,475.68 = 423,291.26 : x - Step 2: Convert to fraction form
626,964.41/865,475.68 = 423,291.26/x - Step 3: Cross multiply
626,964.41x = 865,475.68 × 423,291.26 - Step 4: Simplify right side
626,964.41x = 366,348,291,086.56 - Step 5: Solve for x
x = 366,348,291,086.56/626,964.41 - Step 6: Final answer
x = 584,320.71
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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.