Finding the Fourth Proportional to 630,393.66, 869,926.08 and 343,913.70
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Solution
The fourth proportional to 630,393.66, 869,926.08 and 343,913.70 is: 474,591.54
Step by Step Solution
- Step 1: Write the proportion equation
630,393.66 : 869,926.08 = 343,913.70 : x - Step 2: Convert to fraction form
630,393.66/869,926.08 = 343,913.70/x - Step 3: Cross multiply
630,393.66x = 869,926.08 × 343,913.70 - Step 4: Simplify right side
630,393.66x = 299,179,496,899.30 - Step 5: Solve for x
x = 299,179,496,899.30/630,393.66 - Step 6: Final answer
x = 474,591.54
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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.