Finding the Fourth Proportional to 522,176.36, 720,549.18 and 307,303.62
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Solution
The fourth proportional to 522,176.36, 720,549.18 and 307,303.62 is: 424,047.10
Step by Step Solution
- Step 1: Write the proportion equation
522,176.36 : 720,549.18 = 307,303.62 : x - Step 2: Convert to fraction form
522,176.36/720,549.18 = 307,303.62/x - Step 3: Cross multiply
522,176.36x = 720,549.18 × 307,303.62 - Step 4: Simplify right side
522,176.36x = 221,427,371,402.03 - Step 5: Solve for x
x = 221,427,371,402.03/522,176.36 - Step 6: Final answer
x = 424,047.10
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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.