Finding the Fourth Proportional to 741,750.18, 1,023,610.14 and 402,218.46
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Solution
The fourth proportional to 741,750.18, 1,023,610.14 and 402,218.46 is: 555,058.70
Step by Step Solution
- Step 1: Write the proportion equation
741,750.18 : 1,023,610.14 = 402,218.46 : x - Step 2: Convert to fraction form
741,750.18/1,023,610.14 = 402,218.46/x - Step 3: Cross multiply
741,750.18x = 1,023,610.14 × 402,218.46 - Step 4: Simplify right side
741,750.18x = 411,714,894,151.18 - Step 5: Solve for x
x = 411,714,894,151.18/741,750.18 - Step 6: Final answer
x = 555,058.70
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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.