Finding the Fourth Proportional to 839,479.24, 1,158,668.35 and 533,495.97
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Solution
The fourth proportional to 839,479.24, 1,158,668.35 and 533,495.97 is: 736,343.28
Step by Step Solution
- Step 1: Write the proportion equation
839,479.24 : 1,158,668.35 = 533,495.97 : x - Step 2: Convert to fraction form
839,479.24/1,158,668.35 = 533,495.97/x - Step 3: Cross multiply
839,479.24x = 1,158,668.35 × 533,495.97 - Step 4: Simplify right side
839,479.24x = 618,144,893,957.81 - Step 5: Solve for x
x = 618,144,893,957.81/839,479.24 - Step 6: Final answer
x = 736,343.28
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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.