Finding the Fourth Proportional to 513,473.06, 708,538.28 and 283,993.88
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Solution
The fourth proportional to 513,473.06, 708,538.28 and 283,993.88 is: 391,881.39
Step by Step Solution
- Step 1: Write the proportion equation
513,473.06 : 708,538.28 = 283,993.88 : x - Step 2: Convert to fraction form
513,473.06/708,538.28 = 283,993.88/x - Step 3: Cross multiply
513,473.06x = 708,538.28 × 283,993.88 - Step 4: Simplify right side
513,473.06x = 201,220,535,265.73 - Step 5: Solve for x
x = 201,220,535,265.73/513,473.06 - Step 6: Final answer
x = 391,881.39
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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.