Finding the Fourth Proportional to 533,863.48, 736,658.76 and 318,957.88
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Solution
The fourth proportional to 533,863.48, 736,658.76 and 318,957.88 is: 440,118.35
Step by Step Solution
- Step 1: Write the proportion equation
533,863.48 : 736,658.76 = 318,957.88 : x - Step 2: Convert to fraction form
533,863.48/736,658.76 = 318,957.88/x - Step 3: Cross multiply
533,863.48x = 736,658.76 × 318,957.88 - Step 4: Simplify right side
533,863.48x = 234,963,116,373.03 - Step 5: Solve for x
x = 234,963,116,373.03/533,863.48 - Step 6: Final answer
x = 440,118.35
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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.