Finding the Fourth Proportional to 742,346.74, 1,024,461.19 and 436,366.98
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Solution
The fourth proportional to 742,346.74, 1,024,461.19 and 436,366.98 is: 602,199.78
Step by Step Solution
- Step 1: Write the proportion equation
742,346.74 : 1,024,461.19 = 436,366.98 : x - Step 2: Convert to fraction form
742,346.74/1,024,461.19 = 436,366.98/x - Step 3: Cross multiply
742,346.74x = 1,024,461.19 × 436,366.98 - Step 4: Simplify right side
742,346.74x = 447,041,041,702.19 - Step 5: Solve for x
x = 447,041,041,702.19/742,346.74 - Step 6: Final answer
x = 602,199.78
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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.