Finding the Fourth Proportional to 875,899.68, 1,312,974.72 and 755,468.88
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Solution
The fourth proportional to 875,899.68, 1,312,974.72 and 755,468.88 is: 1,132,448.80
Step by Step Solution
- Step 1: Write the proportion equation
875,899.68 : 1,312,974.72 = 755,468.88 : x - Step 2: Convert to fraction form
875,899.68/1,312,974.72 = 755,468.88/x - Step 3: Cross multiply
875,899.68x = 1,312,974.72 × 755,468.88 - Step 4: Simplify right side
875,899.68x = 991,911,541,186.71 - Step 5: Solve for x
x = 991,911,541,186.71/875,899.68 - Step 6: Final answer
x = 1,132,448.80
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.