Finding the Fourth Proportional to 960,077.18, 1,440,110.57 and 391,456.08
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Solution
The fourth proportional to 960,077.18, 1,440,110.57 and 391,456.08 is: 587,182.00
Step by Step Solution
- Step 1: Write the proportion equation
960,077.18 : 1,440,110.57 = 391,456.08 : x - Step 2: Convert to fraction form
960,077.18/1,440,110.57 = 391,456.08/x - Step 3: Cross multiply
960,077.18x = 1,440,110.57 × 391,456.08 - Step 4: Simplify right side
960,077.18x = 563,740,036,541.49 - Step 5: Solve for x
x = 563,740,036,541.49/960,077.18 - Step 6: Final answer
x = 587,182.00
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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.