Finding the Fourth Proportional to 976,136.68, 1,343,002.98 and 860,913.64
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Solution
The fourth proportional to 976,136.68, 1,343,002.98 and 860,913.64 is: 1,184,475.09
Step by Step Solution
- Step 1: Write the proportion equation
976,136.68 : 1,343,002.98 = 860,913.64 : x - Step 2: Convert to fraction form
976,136.68/1,343,002.98 = 860,913.64/x - Step 3: Cross multiply
976,136.68x = 1,343,002.98 × 860,913.64 - Step 4: Simplify right side
976,136.68x = 1,156,209,584,042.65 - Step 5: Solve for x
x = 1,156,209,584,042.65/976,136.68 - Step 6: Final answer
x = 1,184,475.09
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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.