Finding the Fourth Proportional to 513,569.44, 708,823.12 and 344,098.00
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Solution
The fourth proportional to 513,569.44, 708,823.12 and 344,098.00 is: 474,920.43
Step by Step Solution
- Step 1: Write the proportion equation
513,569.44 : 708,823.12 = 344,098.00 : x - Step 2: Convert to fraction form
513,569.44/708,823.12 = 344,098.00/x - Step 3: Cross multiply
513,569.44x = 708,823.12 × 344,098.00 - Step 4: Simplify right side
513,569.44x = 243,904,614,401.64 - Step 5: Solve for x
x = 243,904,614,401.64/513,569.44 - Step 6: Final answer
x = 474,920.43
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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.