Finding the Fourth Proportional to 708,461.18, 1,062,921.50 and 424,107.44
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Solution
The fourth proportional to 708,461.18, 1,062,921.50 and 424,107.44 is: 636,298.68
Step by Step Solution
- Step 1: Write the proportion equation
708,461.18 : 1,062,921.50 = 424,107.44 : x - Step 2: Convert to fraction form
708,461.18/1,062,921.50 = 424,107.44/x - Step 3: Cross multiply
708,461.18x = 1,062,921.50 × 424,107.44 - Step 4: Simplify right side
708,461.18x = 450,792,914,165.42 - Step 5: Solve for x
x = 450,792,914,165.42/708,461.18 - Step 6: Final answer
x = 636,298.68
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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.