Finding the Fourth Proportional to 711,317.44, 981,974.64 and 549,807.52
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Solution
The fourth proportional to 711,317.44, 981,974.64 and 549,807.52 is: 759,009.99
Step by Step Solution
- Step 1: Write the proportion equation
711,317.44 : 981,974.64 = 549,807.52 : x - Step 2: Convert to fraction form
711,317.44/981,974.64 = 549,807.52/x - Step 3: Cross multiply
711,317.44x = 981,974.64 × 549,807.52 - Step 4: Simplify right side
711,317.44x = 539,897,041,521.29 - Step 5: Solve for x
x = 539,897,041,521.29/711,317.44 - Step 6: Final answer
x = 759,009.99
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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.