Finding the Fourth Proportional to 890,970.80, 1,228,350.22 and 707,817.08
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Solution
The fourth proportional to 890,970.80, 1,228,350.22 and 707,817.08 is: 975,842.60
Step by Step Solution
- Step 1: Write the proportion equation
890,970.80 : 1,228,350.22 = 707,817.08 : x - Step 2: Convert to fraction form
890,970.80/1,228,350.22 = 707,817.08/x - Step 3: Cross multiply
890,970.80x = 1,228,350.22 × 707,817.08 - Step 4: Simplify right side
890,970.80x = 869,447,265,937.76 - Step 5: Solve for x
x = 869,447,265,937.76/890,970.80 - Step 6: Final answer
x = 975,842.60
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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.