Finding the Fourth Proportional to 894,270.80, 1,341,406.20 and 831,285.20
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Solution
The fourth proportional to 894,270.80, 1,341,406.20 and 831,285.20 is: 1,246,927.80
Step by Step Solution
- Step 1: Write the proportion equation
894,270.80 : 1,341,406.20 = 831,285.20 : x - Step 2: Convert to fraction form
894,270.80/1,341,406.20 = 831,285.20/x - Step 3: Cross multiply
894,270.80x = 1,341,406.20 × 831,285.20 - Step 4: Simplify right side
894,270.80x = 1,115,091,121,248.24 - Step 5: Solve for x
x = 1,115,091,121,248.24/894,270.80 - Step 6: Final answer
x = 1,246,927.80
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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.