Finding the Fourth Proportional to 970,657.80, 1,455,986.70 and 799,415.70
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Solution
The fourth proportional to 970,657.80, 1,455,986.70 and 799,415.70 is: 1,199,123.55
Step by Step Solution
- Step 1: Write the proportion equation
970,657.80 : 1,455,986.70 = 799,415.70 : x - Step 2: Convert to fraction form
970,657.80/1,455,986.70 = 799,415.70/x - Step 3: Cross multiply
970,657.80x = 1,455,986.70 × 799,415.70 - Step 4: Simplify right side
970,657.80x = 1,163,938,626,971.19 - Step 5: Solve for x
x = 1,163,938,626,971.19/970,657.80 - Step 6: Final answer
x = 1,199,123.55
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.