Finding the Fourth Proportional to 1,056,905.15, 1,585,423.73 and 298,805.09
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Solution
The fourth proportional to 1,056,905.15, 1,585,423.73 and 298,805.09 is: 448,226.29
Step by Step Solution
- Step 1: Write the proportion equation
1,056,905.15 : 1,585,423.73 = 298,805.09 : x - Step 2: Convert to fraction form
1,056,905.15/1,585,423.73 = 298,805.09/x - Step 3: Cross multiply
1,056,905.15x = 1,585,423.73 × 298,805.09 - Step 4: Simplify right side
1,056,905.15x = 473,732,673,150.68 - Step 5: Solve for x
x = 473,732,673,150.68/1,056,905.15 - Step 6: Final answer
x = 448,226.29
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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.