Finding the Fourth Proportional to 513,332.59, 708,403.68 and 283,878.03
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Solution
The fourth proportional to 513,332.59, 708,403.68 and 283,878.03 is: 391,754.28
Step by Step Solution
- Step 1: Write the proportion equation
513,332.59 : 708,403.68 = 283,878.03 : x - Step 2: Convert to fraction form
513,332.59/708,403.68 = 283,878.03/x - Step 3: Cross multiply
513,332.59x = 708,403.68 × 283,878.03 - Step 4: Simplify right side
513,332.59x = 201,100,241,123.15 - Step 5: Solve for x
x = 201,100,241,123.15/513,332.59 - Step 6: Final answer
x = 391,754.28
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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.