Finding the Fourth Proportional to 752,569.84, 1,128,968.34 and 220,024
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Solution
The fourth proportional to 752,569.84, 1,128,968.34 and 220,024 is: 330,069.21
Step by Step Solution
- Step 1: Write the proportion equation
752,569.84 : 1,128,968.34 = 220,024 : x - Step 2: Convert to fraction form
752,569.84/1,128,968.34 = 220,024/x - Step 3: Cross multiply
752,569.84x = 1,128,968.34 × 220,024 - Step 4: Simplify right side
752,569.84x = 248,400,130,040.16 - Step 5: Solve for x
x = 248,400,130,040.16/752,569.84 - Step 6: Final answer
x = 330,069.21
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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.