Finding the Fourth Proportional to 752,661.36, 1,038,663.86 and 408,497.90
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Solution
The fourth proportional to 752,661.36, 1,038,663.86 and 408,497.90 is: 563,722.31
Step by Step Solution
- Step 1: Write the proportion equation
752,661.36 : 1,038,663.86 = 408,497.90 : x - Step 2: Convert to fraction form
752,661.36/1,038,663.86 = 408,497.90/x - Step 3: Cross multiply
752,661.36x = 1,038,663.86 × 408,497.90 - Step 4: Simplify right side
752,661.36x = 424,291,998,380.09 - Step 5: Solve for x
x = 424,291,998,380.09/752,661.36 - Step 6: Final answer
x = 563,722.31
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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.