Finding the Fourth Proportional to 842,968.92, 1,163,306.30 and 460,987.50
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Solution
The fourth proportional to 842,968.92, 1,163,306.30 and 460,987.50 is: 636,167.77
Step by Step Solution
- Step 1: Write the proportion equation
842,968.92 : 1,163,306.30 = 460,987.50 : x - Step 2: Convert to fraction form
842,968.92/1,163,306.30 = 460,987.50/x - Step 3: Cross multiply
842,968.92x = 1,163,306.30 × 460,987.50 - Step 4: Simplify right side
842,968.92x = 536,269,660,666.31 - Step 5: Solve for x
x = 536,269,660,666.31/842,968.92 - Step 6: Final answer
x = 636,167.77
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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.