Finding the Fourth Proportional to 553,613.70, 829,108.35 and 553,613.70
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Solution
The fourth proportional to 553,613.70, 829,108.35 and 553,613.70 is: 829,108.35
Step by Step Solution
- Step 1: Write the proportion equation
553,613.70 : 829,108.35 = 553,613.70 : x - Step 2: Convert to fraction form
553,613.70/829,108.35 = 553,613.70/x - Step 3: Cross multiply
553,613.70x = 829,108.35 × 553,613.70 - Step 4: Simplify right side
553,613.70x = 459,005,741,344.40 - Step 5: Solve for x
x = 459,005,741,344.40/553,613.70 - Step 6: Final answer
x = 829,108.35
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.