Finding the Fourth Proportional to 816,024.17, 1,126,090.86 and 453,438.74
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Solution
The fourth proportional to 816,024.17, 1,126,090.86 and 453,438.74 is: 625,732.96
Step by Step Solution
- Step 1: Write the proportion equation
816,024.17 : 1,126,090.86 = 453,438.74 : x - Step 2: Convert to fraction form
816,024.17/1,126,090.86 = 453,438.74/x - Step 3: Cross multiply
816,024.17x = 1,126,090.86 × 453,438.74 - Step 4: Simplify right side
816,024.17x = 510,613,220,683.92 - Step 5: Solve for x
x = 510,613,220,683.92/816,024.17 - Step 6: Final answer
x = 625,732.96
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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.