Finding the Fourth Proportional to 972,351.40, 1,455,416.70 and 897,701.80
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Solution
The fourth proportional to 972,351.40, 1,455,416.70 and 897,701.80 is: 1,343,681.09
Step by Step Solution
- Step 1: Write the proportion equation
972,351.40 : 1,455,416.70 = 897,701.80 : x - Step 2: Convert to fraction form
972,351.40/1,455,416.70 = 897,701.80/x - Step 3: Cross multiply
972,351.40x = 1,455,416.70 × 897,701.80 - Step 4: Simplify right side
972,351.40x = 1,306,530,191,340.06 - Step 5: Solve for x
x = 1,306,530,191,340.06/972,351.40 - Step 6: Final answer
x = 1,343,681.09
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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.