Finding the Fourth Proportional to 761,876.24, 1,051,496.39 and 471,580.99
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Solution
The fourth proportional to 761,876.24, 1,051,496.39 and 471,580.99 is: 650,848.10
Step by Step Solution
- Step 1: Write the proportion equation
761,876.24 : 1,051,496.39 = 471,580.99 : x - Step 2: Convert to fraction form
761,876.24/1,051,496.39 = 471,580.99/x - Step 3: Cross multiply
761,876.24x = 1,051,496.39 × 471,580.99 - Step 4: Simplify right side
761,876.24x = 495,865,707,127.84 - Step 5: Solve for x
x = 495,865,707,127.84/761,876.24 - Step 6: Final answer
x = 650,848.10
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1.5x scale
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.