Finding the Fourth Proportional to 779,935.71, 1,076,333.36 and 440,454.99
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Solution
The fourth proportional to 779,935.71, 1,076,333.36 and 440,454.99 is: 607,840.35
Step by Step Solution
- Step 1: Write the proportion equation
779,935.71 : 1,076,333.36 = 440,454.99 : x - Step 2: Convert to fraction form
779,935.71/1,076,333.36 = 440,454.99/x - Step 3: Cross multiply
779,935.71x = 1,076,333.36 × 440,454.99 - Step 4: Simplify right side
779,935.71x = 474,076,397,113.19 - Step 5: Solve for x
x = 474,076,397,113.19/779,935.71 - Step 6: Final answer
x = 607,840.35
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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.