Finding the Fourth Proportional to 791,565.13, 1,187,347.69 and 348,333.13
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Solution
The fourth proportional to 791,565.13, 1,187,347.69 and 348,333.13 is: 522,499.69
Step by Step Solution
- Step 1: Write the proportion equation
791,565.13 : 1,187,347.69 = 348,333.13 : x - Step 2: Convert to fraction form
791,565.13/1,187,347.69 = 348,333.13/x - Step 3: Cross multiply
791,565.13x = 1,187,347.69 × 348,333.13 - Step 4: Simplify right side
791,565.13x = 413,592,531,319.23 - Step 5: Solve for x
x = 413,592,531,319.23/791,565.13 - Step 6: Final answer
x = 522,499.69
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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.