Finding the Fourth Proportional to 742,366.20, 1,024,488.12 and 436,386.48
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Solution
The fourth proportional to 742,366.20, 1,024,488.12 and 436,386.48 is: 602,226.72
Step by Step Solution
- Step 1: Write the proportion equation
742,366.20 : 1,024,488.12 = 436,386.48 : x - Step 2: Convert to fraction form
742,366.20/1,024,488.12 = 436,386.48/x - Step 3: Cross multiply
742,366.20x = 1,024,488.12 × 436,386.48 - Step 4: Simplify right side
742,366.20x = 447,072,764,488.62 - Step 5: Solve for x
x = 447,072,764,488.62/742,366.20 - Step 6: Final answer
x = 602,226.72
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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.