Finding the Fourth Proportional to 630,302.76, 869,823.36 and 343,824.12
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Solution
The fourth proportional to 630,302.76, 869,823.36 and 343,824.12 is: 474,480.31
Step by Step Solution
- Step 1: Write the proportion equation
630,302.76 : 869,823.36 = 343,824.12 : x - Step 2: Convert to fraction form
630,302.76/869,823.36 = 343,824.12/x - Step 3: Cross multiply
630,302.76x = 869,823.36 × 343,824.12 - Step 4: Simplify right side
630,302.76x = 299,066,251,307.44 - Step 5: Solve for x
x = 299,066,251,307.44/630,302.76 - Step 6: Final answer
x = 474,480.31
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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.