Finding the Fourth Proportional to 697,385.65, 962,406.41 and 391,484.09
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Solution
The fourth proportional to 697,385.65, 962,406.41 and 391,484.09 is: 540,256.02
Step by Step Solution
- Step 1: Write the proportion equation
697,385.65 : 962,406.41 = 391,484.09 : x - Step 2: Convert to fraction form
697,385.65/962,406.41 = 391,484.09/x - Step 3: Cross multiply
697,385.65x = 962,406.41 × 391,484.09 - Step 4: Simplify right side
697,385.65x = 376,766,797,629.02 - Step 5: Solve for x
x = 376,766,797,629.02/697,385.65 - Step 6: Final answer
x = 540,256.02
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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.