Finding the Fourth Proportional to 555,508.92, 766,664.70 and 313,807.08
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Solution
The fourth proportional to 555,508.92, 766,664.70 and 313,807.08 is: 433,089.01
Step by Step Solution
- Step 1: Write the proportion equation
555,508.92 : 766,664.70 = 313,807.08 : x - Step 2: Convert to fraction form
555,508.92/766,664.70 = 313,807.08/x - Step 3: Cross multiply
555,508.92x = 766,664.70 × 313,807.08 - Step 4: Simplify right side
555,508.92x = 240,584,810,846.08 - Step 5: Solve for x
x = 240,584,810,846.08/555,508.92 - Step 6: Final answer
x = 433,089.01
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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.