Finding the Fourth Proportional to 842,320.74, 1,162,402.74 and 460,347.42
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Solution
The fourth proportional to 842,320.74, 1,162,402.74 and 460,347.42 is: 635,279.50
Step by Step Solution
- Step 1: Write the proportion equation
842,320.74 : 1,162,402.74 = 460,347.42 : x - Step 2: Convert to fraction form
842,320.74/1,162,402.74 = 460,347.42/x - Step 3: Cross multiply
842,320.74x = 1,162,402.74 × 460,347.42 - Step 4: Simplify right side
842,320.74x = 535,109,102,359.93 - Step 5: Solve for x
x = 535,109,102,359.93/842,320.74 - Step 6: Final answer
x = 635,279.50
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.