Finding the Fourth Proportional to 559,239.28, 771,750.08 and 304,590.48
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Solution
The fourth proportional to 559,239.28, 771,750.08 and 304,590.48 is: 420,334.79
Step by Step Solution
- Step 1: Write the proportion equation
559,239.28 : 771,750.08 = 304,590.48 : x - Step 2: Convert to fraction form
559,239.28/771,750.08 = 304,590.48/x - Step 3: Cross multiply
559,239.28x = 771,750.08 × 304,590.48 - Step 4: Simplify right side
559,239.28x = 235,067,727,307.24 - Step 5: Solve for x
x = 235,067,727,307.24/559,239.28 - Step 6: Final answer
x = 420,334.79
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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.