Finding the Fourth Proportional to 592,652.80, 817,862.94 and 320,720.65
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Solution
The fourth proportional to 592,652.80, 817,862.94 and 320,720.65 is: 442,595.62
Step by Step Solution
- Step 1: Write the proportion equation
592,652.80 : 817,862.94 = 320,720.65 : x - Step 2: Convert to fraction form
592,652.80/817,862.94 = 320,720.65/x - Step 3: Cross multiply
592,652.80x = 817,862.94 × 320,720.65 - Step 4: Simplify right side
592,652.80x = 262,305,531,683.05 - Step 5: Solve for x
x = 262,305,531,683.05/592,652.80 - Step 6: Final answer
x = 442,595.62
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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.