Finding the Fourth Proportional to 669,702.51, 924,206.12 and 363,778.79
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Solution
The fourth proportional to 669,702.51, 924,206.12 and 363,778.79 is: 502,023.78
Step by Step Solution
- Step 1: Write the proportion equation
669,702.51 : 924,206.12 = 363,778.79 : x - Step 2: Convert to fraction form
669,702.51/924,206.12 = 363,778.79/x - Step 3: Cross multiply
669,702.51x = 924,206.12 × 363,778.79 - Step 4: Simplify right side
669,702.51x = 336,206,584,953.64 - Step 5: Solve for x
x = 336,206,584,953.64/669,702.51 - Step 6: Final answer
x = 502,023.78
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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.