Finding the Fourth Proportional to 799,657.92, 1,103,421.42 and 513,565.56
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Solution
The fourth proportional to 799,657.92, 1,103,421.42 and 513,565.56 is: 708,652.07
Step by Step Solution
- Step 1: Write the proportion equation
799,657.92 : 1,103,421.42 = 513,565.56 : x - Step 2: Convert to fraction form
799,657.92/1,103,421.42 = 513,565.56/x - Step 3: Cross multiply
799,657.92x = 1,103,421.42 × 513,565.56 - Step 4: Simplify right side
799,657.92x = 566,679,239,478.30 - Step 5: Solve for x
x = 566,679,239,478.30/799,657.92 - Step 6: Final answer
x = 708,652.07
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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.