Finding the Fourth Proportional to 668,560.62, 1,001,709.10 and 478,053.75
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Solution
The fourth proportional to 668,560.62, 1,001,709.10 and 478,053.75 is: 716,271.31
Step by Step Solution
- Step 1: Write the proportion equation
668,560.62 : 1,001,709.10 = 478,053.75 : x - Step 2: Convert to fraction form
668,560.62/1,001,709.10 = 478,053.75/x - Step 3: Cross multiply
668,560.62x = 1,001,709.10 × 478,053.75 - Step 4: Simplify right side
668,560.62x = 478,870,791,664.13 - Step 5: Solve for x
x = 478,870,791,664.13/668,560.62 - Step 6: Final answer
x = 716,271.31
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.