Finding the Fourth Proportional to 816,023.17, 1,126,089.49 and 453,437.74
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Solution
The fourth proportional to 816,023.17, 1,126,089.49 and 453,437.74 is: 625,731.58
Step by Step Solution
- Step 1: Write the proportion equation
816,023.17 : 1,126,089.49 = 453,437.74 : x - Step 2: Convert to fraction form
816,023.17/1,126,089.49 = 453,437.74/x - Step 3: Cross multiply
816,023.17x = 1,126,089.49 × 453,437.74 - Step 4: Simplify right side
816,023.17x = 510,611,465,485.72 - Step 5: Solve for x
x = 510,611,465,485.72/816,023.17 - Step 6: Final answer
x = 625,731.58
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1.5x scale
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.