Finding the Fourth Proportional to 513,089.54, 708,058.94 and 283,652.66
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Solution
The fourth proportional to 513,089.54, 708,058.94 and 283,652.66 is: 391,438.12
Step by Step Solution
- Step 1: Write the proportion equation
513,089.54 : 708,058.94 = 283,652.66 : x - Step 2: Convert to fraction form
513,089.54/708,058.94 = 283,652.66/x - Step 3: Cross multiply
513,089.54x = 708,058.94 × 283,652.66 - Step 4: Simplify right side
513,089.54x = 200,842,802,521.57 - Step 5: Solve for x
x = 200,842,802,521.57/513,089.54 - Step 6: Final answer
x = 391,438.12
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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.