Finding the Fourth Proportional to 547,113.24, 755,013.39 and 317,726.93
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Solution
The fourth proportional to 547,113.24, 755,013.39 and 317,726.93 is: 438,461.49
Step by Step Solution
- Step 1: Write the proportion equation
547,113.24 : 755,013.39 = 317,726.93 : x - Step 2: Convert to fraction form
547,113.24/755,013.39 = 317,726.93/x - Step 3: Cross multiply
547,113.24x = 755,013.39 × 317,726.93 - Step 4: Simplify right side
547,113.24x = 239,888,088,401.13 - Step 5: Solve for x
x = 239,888,088,401.13/547,113.24 - Step 6: Final answer
x = 438,461.49
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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.