Finding the Fourth Proportional to 1,138,665.08, 1,708,027.86 and 498,638.18
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Solution
The fourth proportional to 1,138,665.08, 1,708,027.86 and 498,638.18 is: 747,970.51
Step by Step Solution
- Step 1: Write the proportion equation
1,138,665.08 : 1,708,027.86 = 498,638.18 : x - Step 2: Convert to fraction form
1,138,665.08/1,708,027.86 = 498,638.18/x - Step 3: Cross multiply
1,138,665.08x = 1,708,027.86 × 498,638.18 - Step 4: Simplify right side
1,138,665.08x = 851,687,903,499.70 - Step 5: Solve for x
x = 851,687,903,499.70/1,138,665.08 - Step 6: Final answer
x = 747,970.51
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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.