Finding the Fourth Proportional to 572,775.30, 857,899.62 and 358,846.74
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Solution
The fourth proportional to 572,775.30, 857,899.62 and 358,846.74 is: 537,478.63
Step by Step Solution
- Step 1: Write the proportion equation
572,775.30 : 857,899.62 = 358,846.74 : x - Step 2: Convert to fraction form
572,775.30/857,899.62 = 358,846.74/x - Step 3: Cross multiply
572,775.30x = 857,899.62 × 358,846.74 - Step 4: Simplify right side
572,775.30x = 307,854,481,884.24 - Step 5: Solve for x
x = 307,854,481,884.24/572,775.30 - Step 6: Final answer
x = 537,478.63
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.