Finding the Fourth Proportional to 801,980.76, 1,106,691.15 and 457,803.02
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Solution
The fourth proportional to 801,980.76, 1,106,691.15 and 457,803.02 is: 631,744.02
Step by Step Solution
- Step 1: Write the proportion equation
801,980.76 : 1,106,691.15 = 457,803.02 : x - Step 2: Convert to fraction form
801,980.76/1,106,691.15 = 457,803.02/x - Step 3: Cross multiply
801,980.76x = 1,106,691.15 × 457,803.02 - Step 4: Simplify right side
801,980.76x = 506,646,555,160.76 - Step 5: Solve for x
x = 506,646,555,160.76/801,980.76 - Step 6: Final answer
x = 631,744.02
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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.