Finding the Fourth Proportional to 643,466.08, 888,025.25 and 371,545.44
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Solution
The fourth proportional to 643,466.08, 888,025.25 and 371,545.44 is: 512,756.99
Step by Step Solution
- Step 1: Write the proportion equation
643,466.08 : 888,025.25 = 371,545.44 : x - Step 2: Convert to fraction form
643,466.08/888,025.25 = 371,545.44/x - Step 3: Cross multiply
643,466.08x = 888,025.25 × 371,545.44 - Step 4: Simplify right side
643,466.08x = 329,941,732,242.36 - Step 5: Solve for x
x = 329,941,732,242.36/643,466.08 - Step 6: Final answer
x = 512,756.99
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.