Finding the Fourth Proportional to 814,762.68, 1,124,507.70 and 475,231.02
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Solution
The fourth proportional to 814,762.68, 1,124,507.70 and 475,231.02 is: 655,897.67
Step by Step Solution
- Step 1: Write the proportion equation
814,762.68 : 1,124,507.70 = 475,231.02 : x - Step 2: Convert to fraction form
814,762.68/1,124,507.70 = 475,231.02/x - Step 3: Cross multiply
814,762.68x = 1,124,507.70 × 475,231.02 - Step 4: Simplify right side
814,762.68x = 534,400,941,268.85 - Step 5: Solve for x
x = 534,400,941,268.85/814,762.68 - Step 6: Final answer
x = 655,897.67
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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.