Finding the Fourth Proportional to 989,206.20, 1,365,106.14 and 536,497.56
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Solution
The fourth proportional to 989,206.20, 1,365,106.14 and 536,497.56 is: 740,367.49
Step by Step Solution
- Step 1: Write the proportion equation
989,206.20 : 1,365,106.14 = 536,497.56 : x - Step 2: Convert to fraction form
989,206.20/1,365,106.14 = 536,497.56/x - Step 3: Cross multiply
989,206.20x = 1,365,106.14 × 536,497.56 - Step 4: Simplify right side
989,206.20x = 732,376,113,251.02 - Step 5: Solve for x
x = 732,376,113,251.02/989,206.20 - Step 6: Final answer
x = 740,367.49
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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.