Finding the Fourth Proportional to 435,656.97, 651,149.73 and 392,864.67
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Solution
The fourth proportional to 435,656.97, 651,149.73 and 392,864.67 is: 587,190.71
Step by Step Solution
- Step 1: Write the proportion equation
435,656.97 : 651,149.73 = 392,864.67 : x - Step 2: Convert to fraction form
435,656.97/651,149.73 = 392,864.67/x - Step 3: Cross multiply
435,656.97x = 651,149.73 × 392,864.67 - Step 4: Simplify right side
435,656.97x = 255,813,723,797.04 - Step 5: Solve for x
x = 255,813,723,797.04/435,656.97 - Step 6: Final answer
x = 587,190.71
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.