Finding the Fourth Proportional to 564,128.80, 845,750.18 and 386,096.06
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Solution
The fourth proportional to 564,128.80, 845,750.18 and 386,096.06 is: 578,840.88
Step by Step Solution
- Step 1: Write the proportion equation
564,128.80 : 845,750.18 = 386,096.06 : x - Step 2: Convert to fraction form
564,128.80/845,750.18 = 386,096.06/x - Step 3: Cross multiply
564,128.80x = 845,750.18 × 386,096.06 - Step 4: Simplify right side
564,128.80x = 326,540,812,242.29 - Step 5: Solve for x
x = 326,540,812,242.29/564,128.80 - Step 6: Final answer
x = 578,840.88
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.