Finding the Fourth Proportional to 955,239.40, 1,432,859.10 and 918,497.80
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Solution
The fourth proportional to 955,239.40, 1,432,859.10 and 918,497.80 is: 1,377,746.70
Step by Step Solution
- Step 1: Write the proportion equation
955,239.40 : 1,432,859.10 = 918,497.80 : x - Step 2: Convert to fraction form
955,239.40/1,432,859.10 = 918,497.80/x - Step 3: Cross multiply
955,239.40x = 1,432,859.10 × 918,497.80 - Step 4: Simplify right side
955,239.40x = 1,316,077,931,059.98 - Step 5: Solve for x
x = 1,316,077,931,059.98/955,239.40 - Step 6: Final answer
x = 1,377,746.70
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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.