Finding the Fourth Proportional to 738,652.06, 1,107,656.28 and 392,359.74
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Solution
The fourth proportional to 738,652.06, 1,107,656.28 and 392,359.74 is: 588,368.67
Step by Step Solution
- Step 1: Write the proportion equation
738,652.06 : 1,107,656.28 = 392,359.74 : x - Step 2: Convert to fraction form
738,652.06/1,107,656.28 = 392,359.74/x - Step 3: Cross multiply
738,652.06x = 1,107,656.28 × 392,359.74 - Step 4: Simplify right side
738,652.06x = 434,599,730,030.17 - Step 5: Solve for x
x = 434,599,730,030.17/738,652.06 - Step 6: Final answer
x = 588,368.67
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.