Finding the Fourth Proportional to 779,936.84, 1,076,334.91 and 440,456.12
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Solution
The fourth proportional to 779,936.84, 1,076,334.91 and 440,456.12 is: 607,841.91
Step by Step Solution
- Step 1: Write the proportion equation
779,936.84 : 1,076,334.91 = 440,456.12 : x - Step 2: Convert to fraction form
779,936.84/1,076,334.91 = 440,456.12/x - Step 3: Cross multiply
779,936.84x = 1,076,334.91 × 440,456.12 - Step 4: Simplify right side
779,936.84x = 474,078,298,279.15 - Step 5: Solve for x
x = 474,078,298,279.15/779,936.84 - Step 6: Final answer
x = 607,841.91
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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.