Finding the Fourth Proportional to 883,515.14, 1,219,218.47 and 539,926.05
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Solution
The fourth proportional to 883,515.14, 1,219,218.47 and 539,926.05 is: 745,078.14
Step by Step Solution
- Step 1: Write the proportion equation
883,515.14 : 1,219,218.47 = 539,926.05 : x - Step 2: Convert to fraction form
883,515.14/1,219,218.47 = 539,926.05/x - Step 3: Cross multiply
883,515.14x = 1,219,218.47 × 539,926.05 - Step 4: Simplify right side
883,515.14x = 658,287,809,894.51 - Step 5: Solve for x
x = 658,287,809,894.51/883,515.14 - Step 6: Final answer
x = 745,078.14
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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.