Finding the Fourth Proportional to 903,124.57, 1,354,514.18 and 453,720.91
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Solution
The fourth proportional to 903,124.57, 1,354,514.18 and 453,720.91 is: 680,494.61
Step by Step Solution
- Step 1: Write the proportion equation
903,124.57 : 1,354,514.18 = 453,720.91 : x - Step 2: Convert to fraction form
903,124.57/1,354,514.18 = 453,720.91/x - Step 3: Cross multiply
903,124.57x = 1,354,514.18 × 453,720.91 - Step 4: Simplify right side
903,124.57x = 614,571,406,357.50 - Step 5: Solve for x
x = 614,571,406,357.50/903,124.57 - Step 6: Final answer
x = 680,494.61
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.