Finding the Fourth Proportional to 750,401.28, 1,035,348.48 and 482,284.80
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Solution
The fourth proportional to 750,401.28, 1,035,348.48 and 482,284.80 is: 665,421.09
Step by Step Solution
- Step 1: Write the proportion equation
750,401.28 : 1,035,348.48 = 482,284.80 : x - Step 2: Convert to fraction form
750,401.28/1,035,348.48 = 482,284.80/x - Step 3: Cross multiply
750,401.28x = 1,035,348.48 × 482,284.80 - Step 4: Simplify right side
750,401.28x = 499,332,834,607.10 - Step 5: Solve for x
x = 499,332,834,607.10/750,401.28 - Step 6: Final answer
x = 665,421.09
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.