Finding the Fourth Proportional to 647,199.42, 893,139.36 and 360,737.70
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Solution
The fourth proportional to 647,199.42, 893,139.36 and 360,737.70 is: 497,820.34
Step by Step Solution
- Step 1: Write the proportion equation
647,199.42 : 893,139.36 = 360,737.70 : x - Step 2: Convert to fraction form
647,199.42/893,139.36 = 360,737.70/x - Step 3: Cross multiply
647,199.42x = 893,139.36 × 360,737.70 - Step 4: Simplify right side
647,199.42x = 322,189,038,505.87 - Step 5: Solve for x
x = 322,189,038,505.87/647,199.42 - Step 6: Final answer
x = 497,820.34
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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.