Finding the Fourth Proportional to 507,221.12, 759,710.24 and 346,917.12
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Solution
The fourth proportional to 507,221.12, 759,710.24 and 346,917.12 is: 519,608.66
Step by Step Solution
- Step 1: Write the proportion equation
507,221.12 : 759,710.24 = 346,917.12 : x - Step 2: Convert to fraction form
507,221.12/759,710.24 = 346,917.12/x - Step 3: Cross multiply
507,221.12x = 759,710.24 × 346,917.12 - Step 4: Simplify right side
507,221.12x = 263,556,488,495.31 - Step 5: Solve for x
x = 263,556,488,495.31/507,221.12 - Step 6: Final answer
x = 519,608.66
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1.5x scale
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.