Finding the Fourth Proportional to 939,806.84, 1,296,898.74 and 510,077.74
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Solution
The fourth proportional to 939,806.84, 1,296,898.74 and 510,077.74 is: 703,888.45
Step by Step Solution
- Step 1: Write the proportion equation
939,806.84 : 1,296,898.74 = 510,077.74 : x - Step 2: Convert to fraction form
939,806.84/1,296,898.74 = 510,077.74/x - Step 3: Cross multiply
939,806.84x = 1,296,898.74 × 510,077.74 - Step 4: Simplify right side
939,806.84x = 661,519,178,308.05 - Step 5: Solve for x
x = 661,519,178,308.05/939,806.84 - Step 6: Final answer
x = 703,888.45
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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.