Finding the Fourth Proportional to 990,682.68, 1,367,149.68 and 537,973.68
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Solution
The fourth proportional to 990,682.68, 1,367,149.68 and 537,973.68 is: 742,407.80
Step by Step Solution
- Step 1: Write the proportion equation
990,682.68 : 1,367,149.68 = 537,973.68 : x - Step 2: Convert to fraction form
990,682.68/1,367,149.68 = 537,973.68/x - Step 3: Cross multiply
990,682.68x = 1,367,149.68 × 537,973.68 - Step 4: Simplify right side
990,682.68x = 735,490,544,460.42 - Step 5: Solve for x
x = 735,490,544,460.42/990,682.68 - Step 6: Final answer
x = 742,407.80
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.