Finding the Fourth Proportional to 502,432.37, 693,079.84 and 318,334.13
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Solution
The fourth proportional to 502,432.37, 693,079.84 and 318,334.13 is: 439,125.70
Step by Step Solution
- Step 1: Write the proportion equation
502,432.37 : 693,079.84 = 318,334.13 : x - Step 2: Convert to fraction form
502,432.37/693,079.84 = 318,334.13/x - Step 3: Cross multiply
502,432.37x = 693,079.84 × 318,334.13 - Step 4: Simplify right side
502,432.37x = 220,630,967,886.94 - Step 5: Solve for x
x = 220,630,967,886.94/502,432.37 - Step 6: Final answer
x = 439,125.70
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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.