Finding the Fourth Proportional to 877,351.42, 1,316,026.98 and 478,327.75
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Solution
The fourth proportional to 877,351.42, 1,316,026.98 and 478,327.75 is: 717,491.54
Step by Step Solution
- Step 1: Write the proportion equation
877,351.42 : 1,316,026.98 = 478,327.75 : x - Step 2: Convert to fraction form
877,351.42/1,316,026.98 = 478,327.75/x - Step 3: Cross multiply
877,351.42x = 1,316,026.98 × 478,327.75 - Step 4: Simplify right side
877,351.42x = 629,492,224,282.70 - Step 5: Solve for x
x = 629,492,224,282.70/877,351.42 - Step 6: Final answer
x = 717,491.54
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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.