Finding the Fourth Proportional to 549,695.40, 824,543.10 and 425,125.80
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Solution
The fourth proportional to 549,695.40, 824,543.10 and 425,125.80 is: 637,688.70
Step by Step Solution
- Step 1: Write the proportion equation
549,695.40 : 824,543.10 = 425,125.80 : x - Step 2: Convert to fraction form
549,695.40/824,543.10 = 425,125.80/x - Step 3: Cross multiply
549,695.40x = 824,543.10 × 425,125.80 - Step 4: Simplify right side
549,695.40x = 350,534,545,021.98 - Step 5: Solve for x
x = 350,534,545,021.98/549,695.40 - Step 6: Final answer
x = 637,688.70
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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.