Finding the Fourth Proportional to 571,214.32, 855,224.04 and 430,532.08
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Solution
The fourth proportional to 571,214.32, 855,224.04 and 430,532.08 is: 644,594.11
Step by Step Solution
- Step 1: Write the proportion equation
571,214.32 : 855,224.04 = 430,532.08 : x - Step 2: Convert to fraction form
571,214.32/855,224.04 = 430,532.08/x - Step 3: Cross multiply
571,214.32x = 855,224.04 × 430,532.08 - Step 4: Simplify right side
571,214.32x = 368,201,384,807.20 - Step 5: Solve for x
x = 368,201,384,807.20/571,214.32 - Step 6: Final answer
x = 644,594.11
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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.