Finding the Fourth Proportional to 750,634.86, 1,035,900.99 and 411,121.74
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Solution
The fourth proportional to 750,634.86, 1,035,900.99 and 411,121.74 is: 567,361.63
Step by Step Solution
- Step 1: Write the proportion equation
750,634.86 : 1,035,900.99 = 411,121.74 : x - Step 2: Convert to fraction form
750,634.86/1,035,900.99 = 411,121.74/x - Step 3: Cross multiply
750,634.86x = 1,035,900.99 × 411,121.74 - Step 4: Simplify right side
750,634.86x = 425,881,417,476.52 - Step 5: Solve for x
x = 425,881,417,476.52/750,634.86 - Step 6: Final answer
x = 567,361.63
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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.