Finding the Fourth Proportional to 533,903.28, 736,944.12 and 307,708.08
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Solution
The fourth proportional to 533,903.28, 736,944.12 and 307,708.08 is: 424,727.98
Step by Step Solution
- Step 1: Write the proportion equation
533,903.28 : 736,944.12 = 307,708.08 : x - Step 2: Convert to fraction form
533,903.28/736,944.12 = 307,708.08/x - Step 3: Cross multiply
533,903.28x = 736,944.12 × 307,708.08 - Step 4: Simplify right side
533,903.28x = 226,763,660,232.49 - Step 5: Solve for x
x = 226,763,660,232.49/533,903.28 - Step 6: Final answer
x = 424,727.98
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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.