Finding the Fourth Proportional to 538,320.20, 808,683.15 and 449,746.70
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Solution
The fourth proportional to 538,320.20, 808,683.15 and 449,746.70 is: 675,624.99
Step by Step Solution
- Step 1: Write the proportion equation
538,320.20 : 808,683.15 = 449,746.70 : x - Step 2: Convert to fraction form
538,320.20/808,683.15 = 449,746.70/x - Step 3: Cross multiply
538,320.20x = 808,683.15 × 449,746.70 - Step 4: Simplify right side
538,320.20x = 363,702,578,058.11 - Step 5: Solve for x
x = 363,702,578,058.11/538,320.20 - Step 6: Final answer
x = 675,624.99
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.