Finding the Fourth Proportional to 843,390.09, 1,163,763.59 and 503,786.25
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Solution
The fourth proportional to 843,390.09, 1,163,763.59 and 503,786.25 is: 695,156.49
Step by Step Solution
- Step 1: Write the proportion equation
843,390.09 : 1,163,763.59 = 503,786.25 : x - Step 2: Convert to fraction form
843,390.09/1,163,763.59 = 503,786.25/x - Step 3: Cross multiply
843,390.09x = 1,163,763.59 × 503,786.25 - Step 4: Simplify right side
843,390.09x = 586,288,092,373.71 - Step 5: Solve for x
x = 586,288,092,373.71/843,390.09 - Step 6: Final answer
x = 695,156.49
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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.