Finding the Fourth Proportional to 697,761.70, 963,015.28 and 425,987.14
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Solution
The fourth proportional to 697,761.70, 963,015.28 and 425,987.14 is: 587,925.82
Step by Step Solution
- Step 1: Write the proportion equation
697,761.70 : 963,015.28 = 425,987.14 : x - Step 2: Convert to fraction form
697,761.70/963,015.28 = 425,987.14/x - Step 3: Cross multiply
697,761.70x = 963,015.28 × 425,987.14 - Step 4: Simplify right side
697,761.70x = 410,232,121,430.99 - Step 5: Solve for x
x = 410,232,121,430.99/697,761.70 - Step 6: Final answer
x = 587,925.82
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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.