Finding the Fourth Proportional to 875,186.43, 1,207,752.75 and 507,737.88
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Solution
The fourth proportional to 875,186.43, 1,207,752.75 and 507,737.88 is: 700,675.65
Step by Step Solution
- Step 1: Write the proportion equation
875,186.43 : 1,207,752.75 = 507,737.88 : x - Step 2: Convert to fraction form
875,186.43/1,207,752.75 = 507,737.88/x - Step 3: Cross multiply
875,186.43x = 1,207,752.75 × 507,737.88 - Step 4: Simplify right side
875,186.43x = 613,221,820,849.17 - Step 5: Solve for x
x = 613,221,820,849.17/875,186.43 - Step 6: Final answer
x = 700,675.65
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.