Finding the Fourth Proportional to 646,259.14, 891,872.94 and 359,772.94
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Solution
The fourth proportional to 646,259.14, 891,872.94 and 359,772.94 is: 496,506.32
Step by Step Solution
- Step 1: Write the proportion equation
646,259.14 : 891,872.94 = 359,772.94 : x - Step 2: Convert to fraction form
646,259.14/891,872.94 = 359,772.94/x - Step 3: Cross multiply
646,259.14x = 891,872.94 × 359,772.94 - Step 4: Simplify right side
646,259.14x = 320,871,749,730.24 - Step 5: Solve for x
x = 320,871,749,730.24/646,259.14 - Step 6: Final answer
x = 496,506.32
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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.