Finding the Fourth Proportional to 912,596.76, 1,368,156.94 and 557,491
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Solution
The fourth proportional to 912,596.76, 1,368,156.94 and 557,491 is: 835,785.55
Step by Step Solution
- Step 1: Write the proportion equation
912,596.76 : 1,368,156.94 = 557,491 : x - Step 2: Convert to fraction form
912,596.76/1,368,156.94 = 557,491/x - Step 3: Cross multiply
912,596.76x = 1,368,156.94 × 557,491 - Step 4: Simplify right side
912,596.76x = 762,735,180,637.54 - Step 5: Solve for x
x = 762,735,180,637.54/912,596.76 - Step 6: Final answer
x = 835,785.55
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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.