Finding the Fourth Proportional to 706,897.28, 975,879.68 and 545,389.44
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Solution
The fourth proportional to 706,897.28, 975,879.68 and 545,389.44 is: 752,916.28
Step by Step Solution
- Step 1: Write the proportion equation
706,897.28 : 975,879.68 = 545,389.44 : x - Step 2: Convert to fraction form
706,897.28/975,879.68 = 545,389.44/x - Step 3: Cross multiply
706,897.28x = 975,879.68 × 545,389.44 - Step 4: Simplify right side
706,897.28x = 532,234,472,182.58 - Step 5: Solve for x
x = 532,234,472,182.58/706,897.28 - Step 6: Final answer
x = 752,916.28
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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.