Finding the Fourth Proportional to 828,959.84, 1,243,439.52 and 229,921.07
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Solution
The fourth proportional to 828,959.84, 1,243,439.52 and 229,921.07 is: 344,881.53
Step by Step Solution
- Step 1: Write the proportion equation
828,959.84 : 1,243,439.52 = 229,921.07 : x - Step 2: Convert to fraction form
828,959.84/1,243,439.52 = 229,921.07/x - Step 3: Cross multiply
828,959.84x = 1,243,439.52 × 229,921.07 - Step 4: Simplify right side
828,959.84x = 285,892,939,132.59 - Step 5: Solve for x
x = 285,892,939,132.59/828,959.84 - Step 6: Final answer
x = 344,881.53
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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.