Finding the Fourth Proportional to 570,343.99, 787,249.92 and 328,788.04
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Solution
The fourth proportional to 570,343.99, 787,249.92 and 328,788.04 is: 453,828.50
Step by Step Solution
- Step 1: Write the proportion equation
570,343.99 : 787,249.92 = 328,788.04 : x - Step 2: Convert to fraction form
570,343.99/787,249.92 = 328,788.04/x - Step 3: Cross multiply
570,343.99x = 787,249.92 × 328,788.04 - Step 4: Simplify right side
570,343.99x = 258,838,358,186.96 - Step 5: Solve for x
x = 258,838,358,186.96/570,343.99 - Step 6: Final answer
x = 453,828.50
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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.