Finding the Fourth Proportional to 838,526.64, 1,257,775.08 and 207,440.40
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Solution
The fourth proportional to 838,526.64, 1,257,775.08 and 207,440.40 is: 311,156.92
Step by Step Solution
- Step 1: Write the proportion equation
838,526.64 : 1,257,775.08 = 207,440.40 : x - Step 2: Convert to fraction form
838,526.64/1,257,775.08 = 207,440.40/x - Step 3: Cross multiply
838,526.64x = 1,257,775.08 × 207,440.40 - Step 4: Simplify right side
838,526.64x = 260,913,365,705.23 - Step 5: Solve for x
x = 260,913,365,705.23/838,526.64 - Step 6: Final answer
x = 311,156.92
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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.