Finding the Fourth Proportional to 533,735.91, 736,482.81 and 318,830.36
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Solution
The fourth proportional to 533,735.91, 736,482.81 and 318,830.36 is: 439,942.44
Step by Step Solution
- Step 1: Write the proportion equation
533,735.91 : 736,482.81 = 318,830.36 : x - Step 2: Convert to fraction form
533,735.91/736,482.81 = 318,830.36/x - Step 3: Cross multiply
533,735.91x = 736,482.81 × 318,830.36 - Step 4: Simplify right side
533,735.91x = 234,813,076,959.31 - Step 5: Solve for x
x = 234,813,076,959.31/533,735.91 - Step 6: Final answer
x = 439,942.44
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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.