Finding the Fourth Proportional to 979,484.94, 1,351,615.05 and 549,682.02
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Solution
The fourth proportional to 979,484.94, 1,351,615.05 and 549,682.02 is: 758,519.57
Step by Step Solution
- Step 1: Write the proportion equation
979,484.94 : 1,351,615.05 = 549,682.02 : x - Step 2: Convert to fraction form
979,484.94/1,351,615.05 = 549,682.02/x - Step 3: Cross multiply
979,484.94x = 1,351,615.05 × 549,682.02 - Step 4: Simplify right side
979,484.94x = 742,958,490,946.40 - Step 5: Solve for x
x = 742,958,490,946.40/979,484.94 - Step 6: Final answer
x = 758,519.57
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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.