Finding the Fourth Proportional to 573,354.12, 855,193.59 and 497,880.78
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Solution
The fourth proportional to 573,354.12, 855,193.59 and 497,880.78 is: 742,620.38
Step by Step Solution
- Step 1: Write the proportion equation
573,354.12 : 855,193.59 = 497,880.78 : x - Step 2: Convert to fraction form
573,354.12/855,193.59 = 497,880.78/x - Step 3: Cross multiply
573,354.12x = 855,193.59 × 497,880.78 - Step 4: Simplify right side
573,354.12x = 425,784,451,640.20 - Step 5: Solve for x
x = 425,784,451,640.20/573,354.12 - Step 6: Final answer
x = 742,620.38
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.