Finding the Fourth Proportional to 894,412.48, 1,234,316.80 and 486,544
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Solution
The fourth proportional to 894,412.48, 1,234,316.80 and 486,544 is: 671,445.72
Step by Step Solution
- Step 1: Write the proportion equation
894,412.48 : 1,234,316.80 = 486,544 : x - Step 2: Convert to fraction form
894,412.48/1,234,316.80 = 486,544/x - Step 3: Cross multiply
894,412.48x = 1,234,316.80 × 486,544 - Step 4: Simplify right side
894,412.48x = 600,549,433,139.20 - Step 5: Solve for x
x = 600,549,433,139.20/894,412.48 - Step 6: Final answer
x = 671,445.72
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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.