Finding the Fourth Proportional to 697,254.18, 962,170.30 and 391,301.98
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Solution
The fourth proportional to 697,254.18, 962,170.30 and 391,301.98 is: 539,974.02
Step by Step Solution
- Step 1: Write the proportion equation
697,254.18 : 962,170.30 = 391,301.98 : x - Step 2: Convert to fraction form
697,254.18/962,170.30 = 391,301.98/x - Step 3: Cross multiply
697,254.18x = 962,170.30 × 391,301.98 - Step 4: Simplify right side
697,254.18x = 376,499,143,487.19 - Step 5: Solve for x
x = 376,499,143,487.19/697,254.18 - Step 6: Final answer
x = 539,974.02
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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.