Finding the Fourth Proportional to 759,707.24, 1,047,370.01 and 487,302.21
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Solution
The fourth proportional to 759,707.24, 1,047,370.01 and 487,302.21 is: 671,818.95
Step by Step Solution
- Step 1: Write the proportion equation
759,707.24 : 1,047,370.01 = 487,302.21 : x - Step 2: Convert to fraction form
759,707.24/1,047,370.01 = 487,302.21/x - Step 3: Cross multiply
759,707.24x = 1,047,370.01 × 487,302.21 - Step 4: Simplify right side
759,707.24x = 510,385,718,124.21 - Step 5: Solve for x
x = 510,385,718,124.21/759,707.24 - Step 6: Final answer
x = 671,818.95
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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.