Finding the Fourth Proportional to 536,717.72, 740,740.52 and 346,285.08
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Solution
The fourth proportional to 536,717.72, 740,740.52 and 346,285.08 is: 477,918.62
Step by Step Solution
- Step 1: Write the proportion equation
536,717.72 : 740,740.52 = 346,285.08 : x - Step 2: Convert to fraction form
536,717.72/740,740.52 = 346,285.08/x - Step 3: Cross multiply
536,717.72x = 740,740.52 × 346,285.08 - Step 4: Simplify right side
536,717.72x = 256,507,390,227.44 - Step 5: Solve for x
x = 256,507,390,227.44/536,717.72 - Step 6: Final answer
x = 477,918.62
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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.