Finding the Fourth Proportional to 698,372.99, 963,723.65 and 408,011.48
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Solution
The fourth proportional to 698,372.99, 963,723.65 and 408,011.48 is: 563,037.68
Step by Step Solution
- Step 1: Write the proportion equation
698,372.99 : 963,723.65 = 408,011.48 : x - Step 2: Convert to fraction form
698,372.99/963,723.65 = 408,011.48/x - Step 3: Cross multiply
698,372.99x = 963,723.65 × 408,011.48 - Step 4: Simplify right side
698,372.99x = 393,210,305,888.83 - Step 5: Solve for x
x = 393,210,305,888.83/698,372.99 - Step 6: Final answer
x = 563,037.68
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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.