Finding the Fourth Proportional to 563,637.96, 777,813.84 and 308,989.08
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Solution
The fourth proportional to 563,637.96, 777,813.84 and 308,989.08 is: 426,401.34
Step by Step Solution
- Step 1: Write the proportion equation
563,637.96 : 777,813.84 = 308,989.08 : x - Step 2: Convert to fraction form
563,637.96/777,813.84 = 308,989.08/x - Step 3: Cross multiply
563,637.96x = 777,813.84 × 308,989.08 - Step 4: Simplify right side
563,637.96x = 240,335,982,832.87 - Step 5: Solve for x
x = 240,335,982,832.87/563,637.96 - Step 6: Final answer
x = 426,401.34
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1.5x scale
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.