Finding the Fourth Proportional to 809,454.63, 1,213,970.43 and 240,682.59
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Solution
The fourth proportional to 809,454.63, 1,213,970.43 and 240,682.59 is: 360,960.99
Step by Step Solution
- Step 1: Write the proportion equation
809,454.63 : 1,213,970.43 = 240,682.59 : x - Step 2: Convert to fraction form
809,454.63/1,213,970.43 = 240,682.59/x - Step 3: Cross multiply
809,454.63x = 1,213,970.43 × 240,682.59 - Step 4: Simplify right side
809,454.63x = 292,181,547,275.81 - Step 5: Solve for x
x = 292,181,547,275.81/809,454.63 - Step 6: Final answer
x = 360,960.99
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1.5x scale
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.