Finding the Fourth Proportional to 689,194.98, 950,949.68 and 402,659.70
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Solution
The fourth proportional to 689,194.98, 950,949.68 and 402,659.70 is: 555,588.95
Step by Step Solution
- Step 1: Write the proportion equation
689,194.98 : 950,949.68 = 402,659.70 : x - Step 2: Convert to fraction form
689,194.98/950,949.68 = 402,659.70/x - Step 3: Cross multiply
689,194.98x = 950,949.68 × 402,659.70 - Step 4: Simplify right side
689,194.98x = 382,909,112,863.90 - Step 5: Solve for x
x = 382,909,112,863.90/689,194.98 - Step 6: Final answer
x = 555,588.95
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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.