Finding the Fourth Proportional to 861,389.62, 1,188,696.70 and 474,201.89
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Solution
The fourth proportional to 861,389.62, 1,188,696.70 and 474,201.89 is: 654,387.06
Step by Step Solution
- Step 1: Write the proportion equation
861,389.62 : 1,188,696.70 = 474,201.89 : x - Step 2: Convert to fraction form
861,389.62/1,188,696.70 = 474,201.89/x - Step 3: Cross multiply
861,389.62x = 1,188,696.70 × 474,201.89 - Step 4: Simplify right side
861,389.62x = 563,682,221,776.76 - Step 5: Solve for x
x = 563,682,221,776.76/861,389.62 - Step 6: Final answer
x = 654,387.06
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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.