Finding the Fourth Proportional to 971,009.08, 1,340,566.48 and 863,281.08
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Solution
The fourth proportional to 971,009.08, 1,340,566.48 and 863,281.08 is: 1,191,838.16
Step by Step Solution
- Step 1: Write the proportion equation
971,009.08 : 1,340,566.48 = 863,281.08 : x - Step 2: Convert to fraction form
971,009.08/1,340,566.48 = 863,281.08/x - Step 3: Cross multiply
971,009.08x = 1,340,566.48 × 863,281.08 - Step 4: Simplify right side
971,009.08x = 1,157,285,678,666.20 - Step 5: Solve for x
x = 1,157,285,678,666.20/971,009.08 - Step 6: Final answer
x = 1,191,838.16
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.