Finding the Fourth Proportional to 549,156.48, 824,316.99 and 486,384.12
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Solution
The fourth proportional to 549,156.48, 824,316.99 and 486,384.12 is: 730,091.89
Step by Step Solution
- Step 1: Write the proportion equation
549,156.48 : 824,316.99 = 486,384.12 : x - Step 2: Convert to fraction form
549,156.48/824,316.99 = 486,384.12/x - Step 3: Cross multiply
549,156.48x = 824,316.99 × 486,384.12 - Step 4: Simplify right side
549,156.48x = 400,934,693,782.20 - Step 5: Solve for x
x = 400,934,693,782.20/549,156.48 - Step 6: Final answer
x = 730,091.89
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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.