Finding the Fourth Proportional to 890,967.80, 1,228,346.08 and 707,814.08
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Solution
The fourth proportional to 890,967.80, 1,228,346.08 and 707,814.08 is: 975,838.46
Step by Step Solution
- Step 1: Write the proportion equation
890,967.80 : 1,228,346.08 = 707,814.08 : x - Step 2: Convert to fraction form
890,967.80/1,228,346.08 = 707,814.08/x - Step 3: Cross multiply
890,967.80x = 1,228,346.08 × 707,814.08 - Step 4: Simplify right side
890,967.80x = 869,440,644,395.08 - Step 5: Solve for x
x = 869,440,644,395.08/890,967.80 - Step 6: Final answer
x = 975,838.46
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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.