Finding the Fourth Proportional to 513,319.28, 708,395.63 and 283,883.54
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Solution
The fourth proportional to 513,319.28, 708,395.63 and 283,883.54 is: 391,767.59
Step by Step Solution
- Step 1: Write the proportion equation
513,319.28 : 708,395.63 = 283,883.54 : x - Step 2: Convert to fraction form
513,319.28/708,395.63 = 283,883.54/x - Step 3: Cross multiply
513,319.28x = 708,395.63 × 283,883.54 - Step 4: Simplify right side
513,319.28x = 201,101,854,203.53 - Step 5: Solve for x
x = 201,101,854,203.53/513,319.28 - Step 6: Final answer
x = 391,767.59
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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.