Finding the Fourth Proportional to 712,911.84, 1,069,367.76 and 239,597.19
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Solution
The fourth proportional to 712,911.84, 1,069,367.76 and 239,597.19 is: 359,395.79
Step by Step Solution
- Step 1: Write the proportion equation
712,911.84 : 1,069,367.76 = 239,597.19 : x - Step 2: Convert to fraction form
712,911.84/1,069,367.76 = 239,597.19/x - Step 3: Cross multiply
712,911.84x = 1,069,367.76 × 239,597.19 - Step 4: Simplify right side
712,911.84x = 256,217,510,372.59 - Step 5: Solve for x
x = 256,217,510,372.59/712,911.84 - Step 6: Final answer
x = 359,395.79
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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.