Finding the Fourth Proportional to 665,652.12, 918,492.66 and 379,177.80
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Solution
The fourth proportional to 665,652.12, 918,492.66 and 379,177.80 is: 523,204.26
Step by Step Solution
- Step 1: Write the proportion equation
665,652.12 : 918,492.66 = 379,177.80 : x - Step 2: Convert to fraction form
665,652.12/918,492.66 = 379,177.80/x - Step 3: Cross multiply
665,652.12x = 918,492.66 × 379,177.80 - Step 4: Simplify right side
665,652.12x = 348,272,026,134.95 - Step 5: Solve for x
x = 348,272,026,134.95/665,652.12 - Step 6: Final answer
x = 523,204.26
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.