Finding the Fourth Proportional to 800,054.72, 1,104,103.68 and 478,011.68
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Solution
The fourth proportional to 800,054.72, 1,104,103.68 and 478,011.68 is: 659,672.95
Step by Step Solution
- Step 1: Write the proportion equation
800,054.72 : 1,104,103.68 = 478,011.68 : x - Step 2: Convert to fraction form
800,054.72/1,104,103.68 = 478,011.68/x - Step 3: Cross multiply
800,054.72x = 1,104,103.68 × 478,011.68 - Step 4: Simplify right side
800,054.72x = 527,774,454,970.98 - Step 5: Solve for x
x = 527,774,454,970.98/800,054.72 - Step 6: Final answer
x = 659,672.95
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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.