Finding the Fourth Proportional to 756,646.74, 1,044,157.07 and 417,114.99
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Solution
The fourth proportional to 756,646.74, 1,044,157.07 and 417,114.99 is: 575,610.18
Step by Step Solution
- Step 1: Write the proportion equation
756,646.74 : 1,044,157.07 = 417,114.99 : x - Step 2: Convert to fraction form
756,646.74/1,044,157.07 = 417,114.99/x - Step 3: Cross multiply
756,646.74x = 1,044,157.07 × 417,114.99 - Step 4: Simplify right side
756,646.74x = 435,533,563,725.90 - Step 5: Solve for x
x = 435,533,563,725.90/756,646.74 - Step 6: Final answer
x = 575,610.18
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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.