Finding the Fourth Proportional to 806,560.98, 1,210,021.47 and 245,638.74
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Solution
The fourth proportional to 806,560.98, 1,210,021.47 and 245,638.74 is: 368,512.93
Step by Step Solution
- Step 1: Write the proportion equation
806,560.98 : 1,210,021.47 = 245,638.74 : x - Step 2: Convert to fraction form
806,560.98/1,210,021.47 = 245,638.74/x - Step 3: Cross multiply
806,560.98x = 1,210,021.47 × 245,638.74 - Step 4: Simplify right side
806,560.98x = 297,228,149,263.75 - Step 5: Solve for x
x = 297,228,149,263.75/806,560.98 - Step 6: Final answer
x = 368,512.93
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.