Finding the Fourth Proportional to 533,223.34, 735,856.99 and 318,382.18
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Solution
The fourth proportional to 533,223.34, 735,856.99 and 318,382.18 is: 439,372.65
Step by Step Solution
- Step 1: Write the proportion equation
533,223.34 : 735,856.99 = 318,382.18 : x - Step 2: Convert to fraction form
533,223.34/735,856.99 = 318,382.18/x - Step 3: Cross multiply
533,223.34x = 735,856.99 × 318,382.18 - Step 4: Simplify right side
533,223.34x = 234,283,750,008.84 - Step 5: Solve for x
x = 234,283,750,008.84/533,223.34 - Step 6: Final answer
x = 439,372.65
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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.