Finding the Fourth Proportional to 816,002.58, 1,126,068.62 and 453,419.84
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Solution
The fourth proportional to 816,002.58, 1,126,068.62 and 453,419.84 is: 625,711.08
Step by Step Solution
- Step 1: Write the proportion equation
816,002.58 : 1,126,068.62 = 453,419.84 : x - Step 2: Convert to fraction form
816,002.58/1,126,068.62 = 453,419.84/x - Step 3: Cross multiply
816,002.58x = 1,126,068.62 × 453,419.84 - Step 4: Simplify right side
816,002.58x = 510,581,853,509.42 - Step 5: Solve for x
x = 510,581,853,509.42/816,002.58 - Step 6: Final answer
x = 625,711.08
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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.