Finding the Fourth Proportional to 868,944.34, 1,199,125.11 and 476,471.80
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Solution
The fourth proportional to 868,944.34, 1,199,125.11 and 476,471.80 is: 657,521.17
Step by Step Solution
- Step 1: Write the proportion equation
868,944.34 : 1,199,125.11 = 476,471.80 : x - Step 2: Convert to fraction form
868,944.34/1,199,125.11 = 476,471.80/x - Step 3: Cross multiply
868,944.34x = 1,199,125.11 × 476,471.80 - Step 4: Simplify right side
868,944.34x = 571,349,299,586.90 - Step 5: Solve for x
x = 571,349,299,586.90/868,944.34 - Step 6: Final answer
x = 657,521.17
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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.