Finding the Fourth Proportional to 750,823.78, 1,036,138.09 and 406,660.45
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Solution
The fourth proportional to 750,823.78, 1,036,138.09 and 406,660.45 is: 561,192.11
Step by Step Solution
- Step 1: Write the proportion equation
750,823.78 : 1,036,138.09 = 406,660.45 : x - Step 2: Convert to fraction form
750,823.78/1,036,138.09 = 406,660.45/x - Step 3: Cross multiply
750,823.78x = 1,036,138.09 × 406,660.45 - Step 4: Simplify right side
750,823.78x = 421,356,381,941.54 - Step 5: Solve for x
x = 421,356,381,941.54/750,823.78 - Step 6: Final answer
x = 561,192.11
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.