Finding the Fourth Proportional to 571,576.71, 788,703.36 and 313,385.70
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Solution
The fourth proportional to 571,576.71, 788,703.36 and 313,385.70 is: 432,432.52
Step by Step Solution
- Step 1: Write the proportion equation
571,576.71 : 788,703.36 = 313,385.70 : x - Step 2: Convert to fraction form
571,576.71/788,703.36 = 313,385.70/x - Step 3: Cross multiply
571,576.71x = 788,703.36 × 313,385.70 - Step 4: Simplify right side
571,576.71x = 247,168,354,565.95 - Step 5: Solve for x
x = 247,168,354,565.95/571,576.71 - Step 6: Final answer
x = 432,432.52
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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.