Finding the Fourth Proportional to 508,746.20, 702,034.62 and 282,373.88
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Solution
The fourth proportional to 508,746.20, 702,034.62 and 282,373.88 is: 389,656.45
Step by Step Solution
- Step 1: Write the proportion equation
508,746.20 : 702,034.62 = 282,373.88 : x - Step 2: Convert to fraction form
508,746.20/702,034.62 = 282,373.88/x - Step 3: Cross multiply
508,746.20x = 702,034.62 × 282,373.88 - Step 4: Simplify right side
508,746.20x = 198,236,239,543.73 - Step 5: Solve for x
x = 198,236,239,543.73/508,746.20 - Step 6: Final answer
x = 389,656.45
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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.