Finding the Fourth Proportional to 984,519.70, 1,476,779.55 and 236,565.70
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Solution
The fourth proportional to 984,519.70, 1,476,779.55 and 236,565.70 is: 354,848.55
Step by Step Solution
- Step 1: Write the proportion equation
984,519.70 : 1,476,779.55 = 236,565.70 : x - Step 2: Convert to fraction form
984,519.70/1,476,779.55 = 236,565.70/x - Step 3: Cross multiply
984,519.70x = 1,476,779.55 × 236,565.70 - Step 4: Simplify right side
984,519.70x = 349,355,387,991.44 - Step 5: Solve for x
x = 349,355,387,991.44/984,519.70 - Step 6: Final answer
x = 354,848.55
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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.