Finding the Fourth Proportional to 679,311.36, 936,461.64 and 474,727.08
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Solution
The fourth proportional to 679,311.36, 936,461.64 and 474,727.08 is: 654,432.89
Step by Step Solution
- Step 1: Write the proportion equation
679,311.36 : 936,461.64 = 474,727.08 : x - Step 2: Convert to fraction form
679,311.36/936,461.64 = 474,727.08/x - Step 3: Cross multiply
679,311.36x = 936,461.64 × 474,727.08 - Step 4: Simplify right side
679,311.36x = 444,563,699,889.21 - Step 5: Solve for x
x = 444,563,699,889.21/679,311.36 - Step 6: Final answer
x = 654,432.89
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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.