Finding the Fourth Proportional to 755,117.60, 1,042,108.80 and 432,876.15
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Solution
The fourth proportional to 755,117.60, 1,042,108.80 and 432,876.15 is: 597,395.75
Step by Step Solution
- Step 1: Write the proportion equation
755,117.60 : 1,042,108.80 = 432,876.15 : x - Step 2: Convert to fraction form
755,117.60/1,042,108.80 = 432,876.15/x - Step 3: Cross multiply
755,117.60x = 1,042,108.80 × 432,876.15 - Step 4: Simplify right side
755,117.60x = 451,104,045,225.12 - Step 5: Solve for x
x = 451,104,045,225.12/755,117.60 - Step 6: Final answer
x = 597,395.75
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1.5x scale
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.