Finding the Fourth Proportional to 653,228.08, 979,590.14 and 253,816.26
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Solution
The fourth proportional to 653,228.08, 979,590.14 and 253,816.26 is: 380,626.48
Step by Step Solution
- Step 1: Write the proportion equation
653,228.08 : 979,590.14 = 253,816.26 : x - Step 2: Convert to fraction form
653,228.08/979,590.14 = 253,816.26/x - Step 3: Cross multiply
653,228.08x = 979,590.14 × 253,816.26 - Step 4: Simplify right side
653,228.08x = 248,635,905,667.68 - Step 5: Solve for x
x = 248,635,905,667.68/653,228.08 - Step 6: Final answer
x = 380,626.48
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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.