Finding the Fourth Proportional to 692,602.09, 1,039,541.76 and 351,285.08
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Solution
The fourth proportional to 692,602.09, 1,039,541.76 and 351,285.08 is: 527,251.52
Step by Step Solution
- Step 1: Write the proportion equation
692,602.09 : 1,039,541.76 = 351,285.08 : x - Step 2: Convert to fraction form
692,602.09/1,039,541.76 = 351,285.08/x - Step 3: Cross multiply
692,602.09x = 1,039,541.76 × 351,285.08 - Step 4: Simplify right side
692,602.09x = 365,175,505,127.23 - Step 5: Solve for x
x = 365,175,505,127.23/692,602.09 - Step 6: Final answer
x = 527,251.52
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1.5x scale
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.