Finding the Fourth Proportional to 752,625.98, 1,038,624.39 and 408,461.81
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Solution
The fourth proportional to 752,625.98, 1,038,624.39 and 408,461.81 is: 563,677.58
Step by Step Solution
- Step 1: Write the proportion equation
752,625.98 : 1,038,624.39 = 408,461.81 : x - Step 2: Convert to fraction form
752,625.98/1,038,624.39 = 408,461.81/x - Step 3: Cross multiply
752,625.98x = 1,038,624.39 × 408,461.81 - Step 4: Simplify right side
752,625.98x = 424,238,393,056.42 - Step 5: Solve for x
x = 424,238,393,056.42/752,625.98 - Step 6: Final answer
x = 563,677.58
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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.