Finding the Fourth Proportional to 751,031.92, 1,128,909.84 and 652,420.09
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Solution
The fourth proportional to 751,031.92, 1,128,909.84 and 652,420.09 is: 980,681.97
Step by Step Solution
- Step 1: Write the proportion equation
751,031.92 : 1,128,909.84 = 652,420.09 : x - Step 2: Convert to fraction form
751,031.92/1,128,909.84 = 652,420.09/x - Step 3: Cross multiply
751,031.92x = 1,128,909.84 × 652,420.09 - Step 4: Simplify right side
751,031.92x = 736,523,459,414.69 - Step 5: Solve for x
x = 736,523,459,414.69/751,031.92 - Step 6: Final answer
x = 980,681.97
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.