Finding the Fourth Proportional to 779,959.02, 1,076,350.58 and 457,674.50
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Solution
The fourth proportional to 779,959.02, 1,076,350.58 and 457,674.50 is: 631,594.99
Step by Step Solution
- Step 1: Write the proportion equation
779,959.02 : 1,076,350.58 = 457,674.50 : x - Step 2: Convert to fraction form
779,959.02/1,076,350.58 = 457,674.50/x - Step 3: Cross multiply
779,959.02x = 1,076,350.58 × 457,674.50 - Step 4: Simplify right side
779,959.02x = 492,618,215,644.99 - Step 5: Solve for x
x = 492,618,215,644.99/779,959.02 - Step 6: Final answer
x = 631,594.99
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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.