Finding the Fourth Proportional to 781,889.06, 1,079,136.00 and 536,672.36
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Solution
The fourth proportional to 781,889.06, 1,079,136.00 and 536,672.36 is: 740,696.47
Step by Step Solution
- Step 1: Write the proportion equation
781,889.06 : 1,079,136.00 = 536,672.36 : x - Step 2: Convert to fraction form
781,889.06/1,079,136.00 = 536,672.36/x - Step 3: Cross multiply
781,889.06x = 1,079,136.00 × 536,672.36 - Step 4: Simplify right side
781,889.06x = 579,142,461,197.60 - Step 5: Solve for x
x = 579,142,461,197.60/781,889.06 - Step 6: Final answer
x = 740,696.47
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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.