Finding the Fourth Proportional to 750,705.46, 1,035,974.09 and 406,544.06
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Solution
The fourth proportional to 750,705.46, 1,035,974.09 and 406,544.06 is: 561,031.10
Step by Step Solution
- Step 1: Write the proportion equation
750,705.46 : 1,035,974.09 = 406,544.06 : x - Step 2: Convert to fraction form
750,705.46/1,035,974.09 = 406,544.06/x - Step 3: Cross multiply
750,705.46x = 1,035,974.09 × 406,544.06 - Step 4: Simplify right side
750,705.46x = 421,169,112,603.41 - Step 5: Solve for x
x = 421,169,112,603.41/750,705.46 - Step 6: Final answer
x = 561,031.10
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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.