Finding the Fourth Proportional to 971,725.86, 1,340,923.95 and 563,796.09
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Solution
The fourth proportional to 971,725.86, 1,340,923.95 and 563,796.09 is: 778,005.11
Step by Step Solution
- Step 1: Write the proportion equation
971,725.86 : 1,340,923.95 = 563,796.09 : x - Step 2: Convert to fraction form
971,725.86/1,340,923.95 = 563,796.09/x - Step 3: Cross multiply
971,725.86x = 1,340,923.95 × 563,796.09 - Step 4: Simplify right side
971,725.86x = 756,007,679,997.36 - Step 5: Solve for x
x = 756,007,679,997.36/971,725.86 - Step 6: Final answer
x = 778,005.11
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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.