Finding the Fourth Proportional to 939,743.84, 1,296,835.70 and 510,024.26
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Solution
The fourth proportional to 939,743.84, 1,296,835.70 and 510,024.26 is: 703,827.62
Step by Step Solution
- Step 1: Write the proportion equation
939,743.84 : 1,296,835.70 = 510,024.26 : x - Step 2: Convert to fraction form
939,743.84/1,296,835.70 = 510,024.26/x - Step 3: Cross multiply
939,743.84x = 1,296,835.70 × 510,024.26 - Step 4: Simplify right side
939,743.84x = 661,417,668,234.08 - Step 5: Solve for x
x = 661,417,668,234.08/939,743.84 - Step 6: Final answer
x = 703,827.62
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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.