Finding the Fourth Proportional to 689,635.98, 1,034,120.79 and 240,346.26
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Solution
The fourth proportional to 689,635.98, 1,034,120.79 and 240,346.26 is: 360,403.27
Step by Step Solution
- Step 1: Write the proportion equation
689,635.98 : 1,034,120.79 = 240,346.26 : x - Step 2: Convert to fraction form
689,635.98/1,034,120.79 = 240,346.26/x - Step 3: Cross multiply
689,635.98x = 1,034,120.79 × 240,346.26 - Step 4: Simplify right side
689,635.98x = 248,547,064,264.75 - Step 5: Solve for x
x = 248,547,064,264.75/689,635.98 - Step 6: Final answer
x = 360,403.27
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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.