Finding the Fourth Proportional to 905,267.36, 1,248,749.30 and 565,145.12
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Solution
The fourth proportional to 905,267.36, 1,248,749.30 and 565,145.12 is: 779,575.85
Step by Step Solution
- Step 1: Write the proportion equation
905,267.36 : 1,248,749.30 = 565,145.12 : x - Step 2: Convert to fraction form
905,267.36/1,248,749.30 = 565,145.12/x - Step 3: Cross multiply
905,267.36x = 1,248,749.30 × 565,145.12 - Step 4: Simplify right side
905,267.36x = 705,724,572,998.42 - Step 5: Solve for x
x = 705,724,572,998.42/905,267.36 - Step 6: Final answer
x = 779,575.85
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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.