Finding the Fourth Proportional to 998,305.20, 1,497,166.20 and 358,534.80
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Solution
The fourth proportional to 998,305.20, 1,497,166.20 and 358,534.80 is: 537,697.47
Step by Step Solution
- Step 1: Write the proportion equation
998,305.20 : 1,497,166.20 = 358,534.80 : x - Step 2: Convert to fraction form
998,305.20/1,497,166.20 = 358,534.80/x - Step 3: Cross multiply
998,305.20x = 1,497,166.20 × 358,534.80 - Step 4: Simplify right side
998,305.20x = 536,786,184,083.76 - Step 5: Solve for x
x = 536,786,184,083.76/998,305.20 - Step 6: Final answer
x = 537,697.47
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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.