Finding the Fourth Proportional to 801,927.44, 1,106,387.39 and 457,515.95
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Solution
The fourth proportional to 801,927.44, 1,106,387.39 and 457,515.95 is: 631,216.56
Step by Step Solution
- Step 1: Write the proportion equation
801,927.44 : 1,106,387.39 = 457,515.95 : x - Step 2: Convert to fraction form
801,927.44/1,106,387.39 = 457,515.95/x - Step 3: Cross multiply
801,927.44x = 1,106,387.39 × 457,515.95 - Step 4: Simplify right side
801,927.44x = 506,189,877,803.87 - Step 5: Solve for x
x = 506,189,877,803.87/801,927.44 - Step 6: Final answer
x = 631,216.56
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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.