Finding the Fourth Proportional to 801,701.10, 1,106,347.28 and 439,147.53
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Solution
The fourth proportional to 801,701.10, 1,106,347.28 and 439,147.53 is: 606,023.46
Step by Step Solution
- Step 1: Write the proportion equation
801,701.10 : 1,106,347.28 = 439,147.53 : x - Step 2: Convert to fraction form
801,701.10/1,106,347.28 = 439,147.53/x - Step 3: Cross multiply
801,701.10x = 1,106,347.28 × 439,147.53 - Step 4: Simplify right side
801,701.10x = 485,849,673,138.48 - Step 5: Solve for x
x = 485,849,673,138.48/801,701.10 - Step 6: Final answer
x = 606,023.46
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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.