Finding the Fourth Proportional to 742,799.68, 1,025,060.70 and 403,267.84
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Solution
The fourth proportional to 742,799.68, 1,025,060.70 and 403,267.84 is: 556,508.07
Step by Step Solution
- Step 1: Write the proportion equation
742,799.68 : 1,025,060.70 = 403,267.84 : x - Step 2: Convert to fraction form
742,799.68/1,025,060.70 = 403,267.84/x - Step 3: Cross multiply
742,799.68x = 1,025,060.70 × 403,267.84 - Step 4: Simplify right side
742,799.68x = 413,374,014,357.89 - Step 5: Solve for x
x = 413,374,014,357.89/742,799.68 - Step 6: Final answer
x = 556,508.07
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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.