Finding the Fourth Proportional to 990,598.56, 1,367,031.60 and 537,889.68
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Solution
The fourth proportional to 990,598.56, 1,367,031.60 and 537,889.68 is: 742,290.79
Step by Step Solution
- Step 1: Write the proportion equation
990,598.56 : 1,367,031.60 = 537,889.68 : x - Step 2: Convert to fraction form
990,598.56/1,367,031.60 = 537,889.68/x - Step 3: Cross multiply
990,598.56x = 1,367,031.60 × 537,889.68 - Step 4: Simplify right side
990,598.56x = 735,312,189,873.89 - Step 5: Solve for x
x = 735,312,189,873.89/990,598.56 - Step 6: Final answer
x = 742,290.79
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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.