Finding the Fourth Proportional to 840,104.69, 1,159,005.74 and 486,252.73
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Solution
The fourth proportional to 840,104.69, 1,159,005.74 and 486,252.73 is: 670,832.70
Step by Step Solution
- Step 1: Write the proportion equation
840,104.69 : 1,159,005.74 = 486,252.73 : x - Step 2: Convert to fraction form
840,104.69/1,159,005.74 = 486,252.73/x - Step 3: Cross multiply
840,104.69x = 1,159,005.74 × 486,252.73 - Step 4: Simplify right side
840,104.69x = 563,569,699,831.89 - Step 5: Solve for x
x = 563,569,699,831.89/840,104.69 - Step 6: Final answer
x = 670,832.70
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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.