Finding the Fourth Proportional to 955,799.19, 1,318,992.46 and 526,070.09
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Solution
The fourth proportional to 955,799.19, 1,318,992.46 and 526,070.09 is: 725,970.99
Step by Step Solution
- Step 1: Write the proportion equation
955,799.19 : 1,318,992.46 = 526,070.09 : x - Step 2: Convert to fraction form
955,799.19/1,318,992.46 = 526,070.09/x - Step 3: Cross multiply
955,799.19x = 1,318,992.46 × 526,070.09 - Step 4: Simplify right side
955,799.19x = 693,882,484,123.83 - Step 5: Solve for x
x = 693,882,484,123.83/955,799.19 - Step 6: Final answer
x = 725,970.99
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1.5x scale
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.