Finding the Fourth Proportional to 630,312.01, 869,836.86 and 343,838.09
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Solution
The fourth proportional to 630,312.01, 869,836.86 and 343,838.09 is: 474,500.00
Step by Step Solution
- Step 1: Write the proportion equation
630,312.01 : 869,836.86 = 343,838.09 : x - Step 2: Convert to fraction form
630,312.01/869,836.86 = 343,838.09/x - Step 3: Cross multiply
630,312.01x = 869,836.86 × 343,838.09 - Step 4: Simplify right side
630,312.01x = 299,083,046,728.59 - Step 5: Solve for x
x = 299,083,046,728.59/630,312.01 - Step 6: Final answer
x = 474,500.00
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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.